660563162670 has 32 divisors (see below), whose sum is σ = 1585442587680. Its totient is φ = 176140065920.

The previous prime is 660563162669. The next prime is 660563162729. The reversal of 660563162670 is 76261365066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93021 + ... + 1153160.

It is an arithmetic number, because the mean of its divisors is an integer number (49545080865).

Almost surely, 2^660563162670 is an apocalyptic number.

660563162670 is an abundant number, since it is smaller than the sum of its proper divisors (924879425010).

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

660563162670 is a wasteful number, since it uses less digits than its factorization.

660563162670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263860.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 660563162670 in words is "six hundred sixty billion, five hundred sixty-three million, one hundred sixty-two thousand, six hundred seventy".