667880617416 has 32 divisors (see below), whose sum is σ = 1670070972960. Its totient is φ = 222577615232.

The previous prime is 667880617409. The next prime is 667880617477. The reversal of 667880617416 is 614716088766.

It is a self number, because there is not a number n which added to its sum of digits gives 667880617416.

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, 2967765 + ... + 3184868.

It is an arithmetic number, because the mean of its divisors is an integer number (52189717905).

Almost surely, 2^667880617416 is an apocalyptic number.

It is an amenable number.

667880617416 is an abundant number, since it is smaller than the sum of its proper divisors (1002190355544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667880617416 is a wasteful number, since it uses less digits than its factorization.

667880617416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6157165 (or 6157161 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 667880617416 in words is "six hundred sixty-seven billion, eight hundred eighty million, six hundred seventeen thousand, four hundred sixteen".