669214412966 has 16 divisors (see below), whose sum is σ = 1096924826448. Its totient is φ = 303675398400.

The previous prime is 669214412959. The next prime is 669214412981.

669214412966 is nontrivially palindromic in base 10.

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 7 ways as a sum of consecutive naturals, for example, 25635215 + ... + 25661306.

It is an arithmetic number, because the mean of its divisors is an integer number (68557801653).

Almost surely, 2^669214412966 is an apocalyptic number.

669214412966 is a deficient number, since it is larger than the sum of its proper divisors (427710413482).

669214412966 is a wasteful number, since it uses less digits than its factorization.

669214412966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51297127.

The product of its digits is 6718464, while the sum is 56.

The spelling of 669214412966 in words is "six hundred sixty-nine billion, two hundred fourteen million, four hundred twelve thousand, nine hundred sixty-six".