164547662957 has 2 divisors, whose sum is σ = 164547662958. Its totient is φ = 164547662956.

The previous prime is 164547662941. The next prime is 164547662969. The reversal of 164547662957 is 759266745461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163851705796 + 695957161 = 404786^2 + 26381^2 .

It is a cyclic number.

It is not a de Polignac number, because 164547662957 - 2⁴ = 164547662941 is a prime.

It is a super-2 number, since 2×164547662957² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 164547662957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164547662557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82273831478 + 82273831479.

It is an arithmetic number, because the mean of its divisors is an integer number (82273831479).

Almost surely, 2^164547662957 is an apocalyptic number.

It is an amenable number.

164547662957 is a deficient number, since it is larger than the sum of its proper divisors (1).

164547662957 is an equidigital number, since it uses as much as digits as its factorization.

164547662957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76204800, while the sum is 62.

The spelling of 164547662957 in words is "one hundred sixty-four billion, five hundred forty-seven million, six hundred sixty-two thousand, nine hundred fifty-seven".