164542627 has 2 divisors, whose sum is σ = 164542628. Its totient is φ = 164542626.

The previous prime is 164542619. The next prime is 164542649. The reversal of 164542627 is 726245461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164542627 - 2³ = 164542619 is a prime.

It is a super-2 number, since 2×164542627² = 54148552200122258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (164542127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82271313 + 82271314.

It is an arithmetic number, because the mean of its divisors is an integer number (82271314).

Almost surely, 2^164542627 is an apocalyptic number.

164542627 is a deficient number, since it is larger than the sum of its proper divisors (1).

164542627 is an equidigital number, since it uses as much as digits as its factorization.

164542627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 164542627 is about 12827.4170042141. The cubic root of 164542627 is about 547.9733978864.

The spelling of 164542627 in words is "one hundred sixty-four million, five hundred forty-two thousand, six hundred twenty-seven".