164902537 has 2 divisors, whose sum is σ = 164902538. Its totient is φ = 164902536.

The previous prime is 164902489. The next prime is 164902559. The reversal of 164902537 is 735209461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164454976 + 447561 = 12824^2 + 669^2 .

It is a cyclic number.

It is not a de Polignac number, because 164902537 - 2²⁷ = 30684809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164902496 and 164902505.

It is not a weakly prime, because it can be changed into another prime (164902637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82451268 + 82451269.

It is an arithmetic number, because the mean of its divisors is an integer number (82451269).

Almost surely, 2^164902537 is an apocalyptic number.

It is an amenable number.

164902537 is a deficient number, since it is larger than the sum of its proper divisors (1).

164902537 is an equidigital number, since it uses as much as digits as its factorization.

164902537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 164902537 is about 12841.4382761434. The cubic root of 164902537 is about 548.3726409021.

The spelling of 164902537 in words is "one hundred sixty-four million, nine hundred two thousand, five hundred thirty-seven".