669324120 has 64 divisors (see below), whose sum is σ = 2010942720. Its totient is φ = 178222464.

The previous prime is 669324113. The next prime is 669324151. The reversal of 669324120 is 21423966.

669324120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×669324120² = 895989555227548800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85407 + ... + 92913.

It is an arithmetic number, because the mean of its divisors is an integer number (31420980).

Almost surely, 2^669324120 is an apocalyptic number.

669324120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

669324120 is an abundant number, since it is smaller than the sum of its proper divisors (1341618600).

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

669324120 is a wasteful number, since it uses less digits than its factorization.

669324120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8264 (or 8260 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 669324120 is about 25871.2991556280. The cubic root of 669324120 is about 874.7396754827.

The spelling of 669324120 in words is "six hundred sixty-nine million, three hundred twenty-four thousand, one hundred twenty".