660105157008 has 40 divisors (see below), whose sum is σ = 1860296353056. Its totient is φ = 200031865600.

The previous prime is 660105156983. The next prime is 660105157027. The reversal of 660105157008 is 800751501066.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625099053 + ... + 625100108.

Almost surely, 2^660105157008 is an apocalyptic number.

It is an amenable number.

660105157008 is an abundant number, since it is smaller than the sum of its proper divisors (1200191196048).

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

660105157008 is a wasteful number, since it uses less digits than its factorization.

660105157008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250199183 (or 1250199177 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 660105157008 in words is "six hundred sixty billion, one hundred five million, one hundred fifty-seven thousand, eight".