164662331 has 2 divisors, whose sum is σ = 164662332. Its totient is φ = 164662330.

The previous prime is 164662301. The next prime is 164662343. The reversal of 164662331 is 133266461.

It is a strong prime.

It is an emirp because it is prime and its reverse (133266461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164662331 - 2²² = 160468027 is a prime.

It is a super-2 number, since 2×164662331² = 54227366500707122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164662301) 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, 82331165 + 82331166.

It is an arithmetic number, because the mean of its divisors is an integer number (82331166).

Almost surely, 2^164662331 is an apocalyptic number.

164662331 is a deficient number, since it is larger than the sum of its proper divisors (1).

164662331 is an equidigital number, since it uses as much as digits as its factorization.

164662331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 164662331 is about 12832.0820991763. The cubic root of 164662331 is about 548.1062483796.

The spelling of 164662331 in words is "one hundred sixty-four million, six hundred sixty-two thousand, three hundred thirty-one".