660677081016 has 128 divisors (see below), whose sum is σ = 1699006478400. Its totient is φ = 214035333120.

The previous prime is 660677081003. The next prime is 660677081033. The reversal of 660677081016 is 610180776066.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28662456 + ... + 28685496.

Almost surely, 2^660677081016 is an apocalyptic number.

It is an amenable number.

660677081016 is an abundant number, since it is smaller than the sum of its proper divisors (1038329397384).

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

660677081016 is a wasteful number, since it uses less digits than its factorization.

660677081016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23369 (or 23365 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 660677081016 in words is "six hundred sixty billion, six hundred seventy-seven million, eighty-one thousand, sixteen".