667212038924 has 96 divisors (see below), whose sum is σ = 1220240028672. Its totient is φ = 318987072000.

The previous prime is 667212038921. The next prime is 667212038951. The reversal of 667212038924 is 429830212766.

It is not an unprimeable number, because it can be changed into a prime (667212038921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822702479 + ... + 822703289.

It is an arithmetic number, because the mean of its divisors is an integer number (12710833632).

Almost surely, 2^667212038924 is an apocalyptic number.

It is an amenable number.

667212038924 is a deficient number, since it is larger than the sum of its proper divisors (553027989748).

667212038924 is a wasteful number, since it uses less digits than its factorization.

667212038924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 667212038924 in words is "six hundred sixty-seven billion, two hundred twelve million, thirty-eight thousand, nine hundred twenty-four".