666235033676140 has 96 divisors (see below), whose sum is σ = 1434141232634880. Its totient is φ = 259902012205056.

The previous prime is 666235033676117. The next prime is 666235033676153. The reversal of 666235033676140 is 41676330532666.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705979644 + ... + 706922716.

It is an arithmetic number, because the mean of its divisors is an integer number (14938971173280).

Almost surely, 2^{666235033676140} is an apocalyptic number.

It is an amenable number.

666235033676140 is an abundant number, since it is smaller than the sum of its proper divisors (767906198958740).

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

666235033676140 is a wasteful number, since it uses less digits than its factorization.

666235033676140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948631 (or 948629 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 58.

The spelling of 666235033676140 in words is "six hundred sixty-six trillion, two hundred thirty-five billion, thirty-three million, six hundred seventy-six thousand, one hundred forty".