656052516 has 72 divisors (see below), whose sum is σ = 1914872960. Its totient is φ = 185504256.

The previous prime is 656052511. The next prime is 656052517. The reversal of 656052516 is 615250656.

It is a happy number.

656052516 is a `hidden beast` number, since 65 + 60 + 525 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (656052511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11025 + ... + 37863.

Almost surely, 2^656052516 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 656052516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (957436480).

656052516 is an abundant number, since it is smaller than the sum of its proper divisors (1258820444).

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

656052516 is a wasteful number, since it uses less digits than its factorization.

656052516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26953 (or 26948 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 656052516 is about 25613.5221318740. The cubic root of 656052516 is about 868.9194829974.

It can be divided in two parts, 65605 and 2516, that added together give a square (68121 = 261²).

The spelling of 656052516 in words is "six hundred fifty-six million, fifty-two thousand, five hundred sixteen".