669120516210 has 32 divisors (see below), whose sum is σ = 1605913483392. Its totient is φ = 178429443840.

The previous prime is 669120516209. The next prime is 669120516217. The reversal of 669120516210 is 12615021966.

It is not an unprimeable number, because it can be changed into a prime (669120516217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2595882 + ... + 2841978.

It is an arithmetic number, because the mean of its divisors is an integer number (50184796356).

Almost surely, 2^669120516210 is an apocalyptic number.

669120516210 is an abundant number, since it is smaller than the sum of its proper divisors (936792967182).

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

669120516210 is a wasteful number, since it uses less digits than its factorization.

669120516210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336738.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 669120516210 in words is "six hundred sixty-nine billion, one hundred twenty million, five hundred sixteen thousand, two hundred ten".