667340006664 has 32 divisors (see below), whose sum is σ = 1668420652320. Its totient is φ = 222437250816.

The previous prime is 667340006657. The next prime is 667340006681. The reversal of 667340006664 is 466600043766.

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, 2139 + ... + 1155285.

It is an arithmetic number, because the mean of its divisors is an integer number (52138145385).

Almost surely, 2^667340006664 is an apocalyptic number.

It is an amenable number.

667340006664 is an abundant number, since it is smaller than the sum of its proper divisors (1001080645656).

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

667340006664 is a wasteful number, since it uses less digits than its factorization.

667340006664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177269 (or 1177265 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 48.

The spelling of 667340006664 in words is "six hundred sixty-seven billion, three hundred forty million, six thousand, six hundred sixty-four".