660671200707 has 16 divisors (see below), whose sum is σ = 1006805917440. Its totient is φ = 377500581792.

The previous prime is 660671200691. The next prime is 660671200741. The reversal of 660671200707 is 707002176066.

It is not a de Polignac number, because 660671200707 - 2⁴ = 660671200691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660671200307) 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, 759232 + ... + 1377597.

It is an arithmetic number, because the mean of its divisors is an integer number (62925369840).

Almost surely, 2^660671200707 is an apocalyptic number.

660671200707 is a deficient number, since it is larger than the sum of its proper divisors (346134716733).

660671200707 is a wasteful number, since it uses less digits than its factorization.

660671200707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151562.

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 660671200707 in words is "six hundred sixty billion, six hundred seventy-one million, two hundred thousand, seven hundred seven".