164961626368 has 72 divisors (see below), whose sum is σ = 410529551040. Its totient is φ = 64270755840.

The previous prime is 164961626327. The next prime is 164961626483. The reversal of 164961626368 is 863626169461.

It is a happy number.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4164583 + ... + 4204006.

It is an arithmetic number, because the mean of its divisors is an integer number (5701799320).

Almost surely, 2^164961626368 is an apocalyptic number.

It is an amenable number.

164961626368 is an abundant number, since it is smaller than the sum of its proper divisors (245567924672).

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

164961626368 is an equidigital number, since it uses as much as digits as its factorization.

164961626368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368623 (or 8368609 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 58.

The spelling of 164961626368 in words is "one hundred sixty-four billion, nine hundred sixty-one million, six hundred twenty-six thousand, three hundred sixty-eight".