656650060 has 72 divisors (see below), whose sum is σ = 1564795008. Its totient is φ = 231052800.

The previous prime is 656650009. The next prime is 656650079. The reversal of 656650060 is 60056656.

It is a junction number, because it is equal to n+sod(n) for n = 656649998 and 656650025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70644 + ... + 79396.

It is an arithmetic number, because the mean of its divisors is an integer number (21733264).

Almost surely, 2^656650060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 656650060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782397504).

656650060 is an abundant number, since it is smaller than the sum of its proper divisors (908144948).

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

656650060 is a wasteful number, since it uses less digits than its factorization.

656650060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8815 (or 8802 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 656650060 is about 25625.1840968997. The cubic root of 656650060 is about 869.1832119180.

The spelling of 656650060 in words is "six hundred fifty-six million, six hundred fifty thousand, sixty".