669624936 has 16 divisors (see below), whose sum is σ = 1674062400. Its totient is φ = 223208304.

The previous prime is 669624931. The next prime is 669624947. The reversal of 669624936 is 639426966.

It is not an unprimeable number, because it can be changed into a prime (669624931) 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, 13950496 + ... + 13950543.

It is an arithmetic number, because the mean of its divisors is an integer number (104628900).

Almost surely, 2^669624936 is an apocalyptic number.

It is an amenable number.

669624936 is an abundant number, since it is smaller than the sum of its proper divisors (1004437464).

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

669624936 is a wasteful number, since it uses less digits than its factorization.

669624936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27901048 (or 27901044 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 51.

The square root of 669624936 is about 25877.1122036444. The cubic root of 669624936 is about 874.8707013299.

The spelling of 669624936 in words is "six hundred sixty-nine million, six hundred twenty-four thousand, nine hundred thirty-six".