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166422668670460 = 225831019186752697
BaseRepresentation
bin100101110101110001001100…
…000011000111010111111100
3210211020211222220220202001101
4211311301030003013113330
5133303132111134423320
61345541304000422444
750024432605206346
oct4565611403072774
9724224886822041
10166422668670460
114903350391a724
12167b99b3017a24
1371b2789c04717
142d14c85dbc296
15143907edb6c0a
hex975c4c0c75fc

166422668670460 has 96 divisors (see below), whose sum is σ = 354241756995840. Its totient is φ = 65666052146688.

The previous prime is 166422668670451. The next prime is 166422668670487. The reversal of 166422668670460 is 64076866224661.

It is a super-2 number, since 2×1664226686704602 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166422668670392 and 166422668670401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3158078832 + ... + 3158131528.

It is an arithmetic number, because the mean of its divisors is an integer number (3690018302040).

Almost surely, 2166422668670460 is an apocalyptic number.

166422668670460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

166422668670460 is an abundant number, since it is smaller than the sum of its proper divisors (187819088325380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166422668670460 is a wasteful number, since it uses less digits than its factorization.

166422668670460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55675 (or 55673 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 64.

The spelling of 166422668670460 in words is "one hundred sixty-six trillion, four hundred twenty-two billion, six hundred sixty-eight million, six hundred seventy thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1019 1660 1867 2038 3734 4076 5095 7468 9335 10190 18670 20380 37340 52697 84577 105394 154961 169154 210788 263485 309922 338308 422885 526970 619844 774805 845770 1053940 1549610 1691540 1902473 3099220 3804946 4373851 7609892 8747702 9512365 17495404 19024730 21869255 38049460 43738510 53698243 87477020 98385299 107396486 157905259 196770598 214792972 268491215 315810518 393541196 491926495 536982430 631621036 789526295 983852990 1073964860 1579052590 1967705980 3158105180 4456954169 8165979817 8913908338 16331959634 17827816676 22284770845 32663919268 40829899085 44569541690 81659798170 89139083380 100254619681 163319596340 200509239362 401018478724 501273098405 1002546196810 2005092393620 8321133433523 16642266867046 33284533734092 41605667167615 83211334335230 166422668670460