660676025625 has 160 divisors (see below), whose sum is σ = 1453128450048. Its totient is φ = 258414720000.

The previous prime is 660676025623. The next prime is 660676025627. The reversal of 660676025625 is 526520676066.

660676025625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (660676025623) and next prime (660676025627).

It is not a de Polignac number, because 660676025625 - 2¹ = 660676025623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (660676025623) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2319784 + ... + 2588966.

Almost surely, 2^660676025625 is an apocalyptic number.

It is an amenable number.

660676025625 is an abundant number, since it is smaller than the sum of its proper divisors (792452424423).

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

660676025625 is a wasteful number, since it uses less digits than its factorization.

660676025625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269241 (or 269226 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 660676025625 in words is "six hundred sixty billion, six hundred seventy-six million, twenty-five thousand, six hundred twenty-five".