66034664 has 32 divisors (see below), whose sum is σ = 133073280. Its totient is φ = 30607104.

The previous prime is 66034649. The next prime is 66034667. The reversal of 66034664 is 46643066.

It is not an unprimeable number, because it can be changed into a prime (66034667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5489 + ... + 12735.

It is an arithmetic number, because the mean of its divisors is an integer number (4158540).

Almost surely, 2^66034664 is an apocalyptic number.

It is an amenable number.

66034664 is an abundant number, since it is smaller than the sum of its proper divisors (67038616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66034664 is a wasteful number, since it uses less digits than its factorization.

66034664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337 (or 7333 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 66034664 is about 8126.1715463064. The cubic root of 66034664 is about 404.1947399543.

The spelling of 66034664 in words is "sixty-six million, thirty-four thousand, six hundred sixty-four".