667216076588 has 12 divisors (see below), whose sum is σ = 1167752165160. Its totient is φ = 333572600832.

The previous prime is 667216076587. The next prime is 667216076621. The reversal of 667216076588 is 885670612766.

It is a self number, because there is not a number n which added to its sum of digits gives 667216076588.

It is not an unprimeable number, because it can be changed into a prime (667216076587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8816981 + ... + 8892332.

It is an arithmetic number, because the mean of its divisors is an integer number (97312680430).

Almost surely, 2^667216076588 is an apocalyptic number.

It is an amenable number.

667216076588 is a deficient number, since it is larger than the sum of its proper divisors (500536088572).

667216076588 is a wasteful number, since it uses less digits than its factorization.

667216076588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17718736 (or 17718734 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 667216076588 in words is "six hundred sixty-seven billion, two hundred sixteen million, seventy-six thousand, five hundred eighty-eight".