666703670367 has 16 divisors (see below), whose sum is σ = 1016926421760. Its totient is φ = 380599643712.

The previous prime is 666703670363. The next prime is 666703670383. The reversal of 666703670367 is 763076307666.

It is not a de Polignac number, because 666703670367 - 2² = 666703670363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666703670363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15556518 + ... + 15599315.

It is an arithmetic number, because the mean of its divisors is an integer number (63557901360).

Almost surely, 2^666703670367 is an apocalyptic number.

666703670367 is a deficient number, since it is larger than the sum of its proper divisors (350222751393).

666703670367 is a wasteful number, since it uses less digits than its factorization.

666703670367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31156862.

The product of its (nonzero) digits is 24004512, while the sum is 57.

The spelling of 666703670367 in words is "six hundred sixty-six billion, seven hundred three million, six hundred seventy thousand, three hundred sixty-seven".