164365057 has 2 divisors, whose sum is σ = 164365058. Its totient is φ = 164365056.

The previous prime is 164365039. The next prime is 164365087. The reversal of 164365057 is 750563461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156725361 + 7639696 = 12519^2 + 2764^2 .

It is a cyclic number.

It is not a de Polignac number, because 164365057 - 2¹⁹ = 163840769 is a prime.

It is a super-2 number, since 2×164365057² = 54031743925226498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (164365087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82182528 + 82182529.

It is an arithmetic number, because the mean of its divisors is an integer number (82182529).

Almost surely, 2^164365057 is an apocalyptic number.

It is an amenable number.

164365057 is a deficient number, since it is larger than the sum of its proper divisors (1).

164365057 is an equidigital number, since it uses as much as digits as its factorization.

164365057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 164365057 is about 12820.4936332421. The cubic root of 164365057 is about 547.7762075260.

The spelling of 164365057 in words is "one hundred sixty-four million, three hundred sixty-five thousand, fifty-seven".