659665566060 has 48 divisors (see below), whose sum is σ = 1848340306176. Its totient is φ = 175789225152.

The previous prime is 659665565983. The next prime is 659665566163. The reversal of 659665566060 is 60665566956.

659665566060 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 659665565985 and 659665566003.

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, 3712222 + ... + 3885861.

It is an arithmetic number, because the mean of its divisors is an integer number (38507089712).

Almost surely, 2^659665566060 is an apocalyptic number.

659665566060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

659665566060 is an abundant number, since it is smaller than the sum of its proper divisors (1188674740116).

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

659665566060 is a wasteful number, since it uses less digits than its factorization.

659665566060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7599542 (or 7599540 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 60.

The spelling of 659665566060 in words is "six hundred fifty-nine billion, six hundred sixty-five million, five hundred sixty-six thousand, sixty".