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164755818097 = 1323586993887
BaseRepresentation
bin1001100101110000110…
…1100100011001110001
3120202021010010201221221
42121130031210121301
510144404442134342
6203404320545041
714621542230043
oct2313415443161
9522233121857
10164755818097
1163966400742
1227b20482181
13126c8642080
147d8d3b1a93
15444425da67
hex265c364671

164755818097 has 16 divisors (see below), whose sum is σ = 185177180160. Its totient is φ = 145443684672.

The previous prime is 164755818001. The next prime is 164755818127. The reversal of 164755818097 is 790818557461.

It is a de Polignac number, because none of the positive numbers 2k-164755818097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164755818197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707888 + ... + 1801774.

It is an arithmetic number, because the mean of its divisors is an integer number (11573573760).

Almost surely, 2164755818097 is an apocalyptic number.

It is an amenable number.

164755818097 is a deficient number, since it is larger than the sum of its proper divisors (20421362063).

164755818097 is a wasteful number, since it uses less digits than its factorization.

164755818097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99792.

The product of its (nonzero) digits is 16934400, while the sum is 61.

The spelling of 164755818097 in words is "one hundred sixty-four billion, seven hundred fifty-five million, eight hundred eighteen thousand, ninety-seven".

Divisors: 1 13 23 299 5869 76297 93887 134987 1220531 1754831 2159401 28072213 551022803 7163296439 12673524469 164755818097