666667330700 has 36 divisors (see below), whose sum is σ = 1653334981872. Its totient is φ = 228571656000.

The previous prime is 666667330657. The next prime is 666667330723. The reversal of 666667330700 is 7033766666.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476190251 + ... + 476191650.

Almost surely, 2^666667330700 is an apocalyptic number.

It is an amenable number.

666667330700 is an abundant number, since it is smaller than the sum of its proper divisors (986667651172).

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

666667330700 is a wasteful number, since it uses less digits than its factorization.

666667330700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952381922 (or 952381915 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 50.

The spelling of 666667330700 in words is "six hundred sixty-six billion, six hundred sixty-seven million, three hundred thirty thousand, seven hundred".