667460403788 has 24 divisors (see below), whose sum is σ = 1219299567360. Its totient is φ = 319100023440.

The previous prime is 667460403737. The next prime is 667460403791. The reversal of 667460403788 is 887304064766.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119608 + ... + 1608863.

It is an arithmetic number, because the mean of its divisors is an integer number (50804148640).

Almost surely, 2^667460403788 is an apocalyptic number.

It is an amenable number.

667460403788 is a deficient number, since it is larger than the sum of its proper divisors (551839163572).

667460403788 is a wasteful number, since it uses less digits than its factorization.

667460403788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731157 (or 2731155 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 59.

The spelling of 667460403788 in words is "six hundred sixty-seven billion, four hundred sixty million, four hundred three thousand, seven hundred eighty-eight".