164651695536 has 40 divisors (see below), whose sum is σ = 432559546560. Its totient is φ = 53953662016.

The previous prime is 164651695511. The next prime is 164651695541. The reversal of 164651695536 is 635596156461.

It is a super-2 number, since 2×164651695536² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29067030 + ... + 29072693.

It is an arithmetic number, because the mean of its divisors is an integer number (10813988664).

Almost surely, 2^164651695536 is an apocalyptic number.

164651695536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

164651695536 is an abundant number, since it is smaller than the sum of its proper divisors (267907851024).

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

164651695536 is a wasteful number, since it uses less digits than its factorization.

164651695536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58139793 (or 58139787 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 57.

The spelling of 164651695536 in words is "one hundred sixty-four billion, six hundred fifty-one million, six hundred ninety-five thousand, five hundred thirty-six".