66413164 has 24 divisors (see below), whose sum is σ = 117947648. Its totient is φ = 32717520.

The previous prime is 66413159. The next prime is 66413287. The reversal of 66413164 is 46131466.

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, 136129 + ... + 136615.

Almost surely, 2^66413164 is an apocalyptic number.

It is an amenable number.

66413164 is a deficient number, since it is larger than the sum of its proper divisors (51534484).

66413164 is a wasteful number, since it uses less digits than its factorization.

66413164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 923 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 66413164 is about 8149.4272191363. The cubic root of 66413164 is about 404.9655287432.

The spelling of 66413164 in words is "sixty-six million, four hundred thirteen thousand, one hundred sixty-four".