669683064 has 16 divisors (see below), whose sum is σ = 1674207720. Its totient is φ = 223227680.

The previous prime is 669683039. The next prime is 669683083. The reversal of 669683064 is 460386966.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13951707 + ... + 13951754.

Almost surely, 2^669683064 is an apocalyptic number.

It is an amenable number.

669683064 is an abundant number, since it is smaller than the sum of its proper divisors (1004524656).

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

669683064 is a wasteful number, since it uses less digits than its factorization.

669683064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27903470 (or 27903466 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The square root of 669683064 is about 25878.2353339636. The cubic root of 669683064 is about 874.8960155070.

The spelling of 669683064 in words is "six hundred sixty-nine million, six hundred eighty-three thousand, sixty-four".