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164451262154461 = 4761791012109653
BaseRepresentation
bin100101011001000101001011…
…000100000100011011011101
3210120021101110012202101020021
4211121011023010010123131
5133023332141102420321
61341431511125152141
746432132403255362
oct4531051304043335
9716241405671207
10164451262154461
1148443430283657
121653b90ab5b651
13709b8c2514b69
142c876aac4a469
151402b4c2d2941
hex95914b1046dd

164451262154461 has 96 divisors (see below), whose sum is σ = 176464376985600. Its totient is φ = 153107480448000.

The previous prime is 164451262154429. The next prime is 164451262154479.

164451262154461 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 164451262154461 - 25 = 164451262154429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164451262154399 and 164451262154408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164451262155461) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 251839604811 + ... + 251839605463.

It is an arithmetic number, because the mean of its divisors is an integer number (1838170593600).

Almost surely, 2164451262154461 is an apocalyptic number.

It is an amenable number.

164451262154461 is a deficient number, since it is larger than the sum of its proper divisors (12013114831139).

164451262154461 is a wasteful number, since it uses less digits than its factorization.

164451262154461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1050 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 52.

The spelling of 164451262154461 in words is "one hundred sixty-four trillion, four hundred fifty-one billion, two hundred sixty-two million, one hundred fifty-four thousand, four hundred sixty-one".

Divisors: 1 47 61 79 101 109 653 2867 3713 4747 4819 5123 6161 6649 7979 8611 10201 11009 30691 39833 51587 65953 71177 226493 289567 312503 375013 404717 479447 486719 517423 525271 622261 671549 805879 869711 1111909 1872151 2424589 3099791 3146807 3345319 4023133 4341797 5210287 5622983 6661253 7188877 22875793 24687737 29246267 31562803 37876313 40876417 49158619 52259723 53052371 67826449 87840811 147899929 189087251 204064459 244883489 264280201 313078891 317827507 337877219 343001963 406336433 438521497 526238987 567921283 726076577 2310455093 2493461437 3187843103 4128518117 5358289471 14937892829 16121092261 19097812351 20610510359 24733232389 26692300301 32100578207 34125599119 34643198263 44290671197 57360049583 251839605137 1508727175729 1628230318361 2081661546259 2695922330401 3498963024563 164451262154461