164993527917 has 12 divisors (see below), whose sum is σ = 238331680704. Its totient is φ = 109992133320.

The previous prime is 164993527901. The next prime is 164993527961. The reversal of 164993527917 is 719725399461.

164993527917 is a `hidden beast` number, since 1 + 6 + 4 + 9 + 93 + 527 + 9 + 17 = 666.

It is not a de Polignac number, because 164993527917 - 2⁴ = 164993527901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164993523917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15442 + ... + 574652.

It is an arithmetic number, because the mean of its divisors is an integer number (19860973392).

Almost surely, 2^164993527917 is an apocalyptic number.

It is an amenable number.

164993527917 is a deficient number, since it is larger than the sum of its proper divisors (73338152787).

164993527917 is a wasteful number, since it uses less digits than its factorization.

164993527917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592000 (or 591997 counting only the distinct ones).

The product of its digits is 25719120, while the sum is 63.

The spelling of 164993527917 in words is "one hundred sixty-four billion, nine hundred ninety-three million, five hundred twenty-seven thousand, nine hundred seventeen".