667216077188 has 12 divisors (see below), whose sum is σ = 1167633902400. Its totient is φ = 333606390792.

The previous prime is 667216077161. The next prime is 667216077193. The reversal of 667216077188 is 881770612766.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199513 + ... + 1665311.

It is an arithmetic number, because the mean of its divisors is an integer number (97302825200).

Almost surely, 2^667216077188 is an apocalyptic number.

It is an amenable number.

667216077188 is a deficient number, since it is larger than the sum of its proper divisors (500417825212).

667216077188 is a wasteful number, since it uses less digits than its factorization.

667216077188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823906 (or 823904 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 59.

The spelling of 667216077188 in words is "six hundred sixty-seven billion, two hundred sixteen million, seventy-seven thousand, one hundred eighty-eight".