666424076 has 24 divisors (see below), whose sum is σ = 1188484416. Its totient is φ = 326898000.

The previous prime is 666424063. The next prime is 666424201. The reversal of 666424076 is 670424666.

666424076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 62315 + ... + 72221.

It is an arithmetic number, because the mean of its divisors is an integer number (49520184).

Almost surely, 2^666424076 is an apocalyptic number.

It is an amenable number.

666424076 is a deficient number, since it is larger than the sum of its proper divisors (522060340).

666424076 is a wasteful number, since it uses less digits than its factorization.

666424076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229 (or 10227 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 666424076 is about 25815.1907992174. The cubic root of 666424076 is about 873.4744906474.

The spelling of 666424076 in words is "six hundred sixty-six million, four hundred twenty-four thousand, seventy-six".