666030164 has 24 divisors (see below), whose sum is σ = 1212653568. Its totient is φ = 319727520.

The previous prime is 666030137. The next prime is 666030187. The reversal of 666030164 is 461030666.

It is a self number, because there is not a number n which added to its sum of digits gives 666030164.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5399 + ... + 36894.

It is an arithmetic number, because the mean of its divisors is an integer number (50527232).

Almost surely, 2^666030164 is an apocalyptic number.

It is an amenable number.

666030164 is a deficient number, since it is larger than the sum of its proper divisors (546623404).

666030164 is a wasteful number, since it uses less digits than its factorization.

666030164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42455 (or 42453 counting only the distinct ones).

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

The square root of 666030164 is about 25807.5602101400. The cubic root of 666030164 is about 873.3023580620.

The spelling of 666030164 in words is "six hundred sixty-six million, thirty thousand, one hundred sixty-four".