164865627 has 24 divisors (see below), whose sum is σ = 242672144. Its totient is φ = 107832384.

The previous prime is 164865619. The next prime is 164865629. The reversal of 164865627 is 726568461.

164865627 is a `hidden beast` number, since 1 + 6 + 4 + 86 + 562 + 7 = 666.

It is not a de Polignac number, because 164865627 - 2³ = 164865619 is a prime.

It is a super-2 number, since 2×164865627² = 54361349932206258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164865629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 224553 + ... + 225285.

Almost surely, 2^164865627 is an apocalyptic number.

164865627 is a deficient number, since it is larger than the sum of its proper divisors (77806517).

164865627 is a wasteful number, since it uses less digits than its factorization.

164865627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1176 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 164865627 is about 12840.0010514018. The cubic root of 164865627 is about 548.3317239159.

The spelling of 164865627 in words is "one hundred sixty-four million, eight hundred sixty-five thousand, six hundred twenty-seven".