667376531266712 has 96 divisors (see below), whose sum is σ = 1304437942368000. Its totient is φ = 320079522438720.

The previous prime is 667376531266691. The next prime is 667376531266721. The reversal of 667376531266712 is 217662135673766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401537543 + ... + 403196169.

It is an arithmetic number, because the mean of its divisors is an integer number (13587895233000).

Almost surely, 2^{667376531266712} is an apocalyptic number.

667376531266712 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

667376531266712 is a deficient number, since it is larger than the sum of its proper divisors (637061411101288).

667376531266712 is a wasteful number, since it uses less digits than its factorization.

667376531266712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659157 (or 1659122 counting only the distinct ones).

The product of its digits is 480090240, while the sum is 68.

The spelling of 667376531266712 in words is "six hundred sixty-seven trillion, three hundred seventy-six billion, five hundred thirty-one million, two hundred sixty-six thousand, seven hundred twelve".