66500908 has 12 divisors (see below), whose sum is σ = 116456200. Its totient is φ = 33227712.

The previous prime is 66500899. The next prime is 66500909. The reversal of 66500908 is 80900566.

It is not an unprimeable number, because it can be changed into a prime (66500909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2068 + ... + 11716.

Almost surely, 2^66500908 is an apocalyptic number.

It is an amenable number.

66500908 is a deficient number, since it is larger than the sum of its proper divisors (49955292).

66500908 is a wasteful number, since it uses less digits than its factorization.

66500908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11376 (or 11374 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 66500908 is about 8154.8088880120. The cubic root of 66500908 is about 405.1437948981.

The spelling of 66500908 in words is "sixty-six million, five hundred thousand, nine hundred eight".