656566150650 has 48 divisors (see below), whose sum is σ = 1647901965024. Its totient is φ = 172974854080.

The previous prime is 656566150637. The next prime is 656566150661. The reversal of 656566150650 is 56051665656.

It is a super-2 number, since 2×656566150650² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 656566150593 and 656566150602.

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, 26355669 + ... + 26380568.

It is an arithmetic number, because the mean of its divisors is an integer number (34331290938).

Almost surely, 2^656566150650 is an apocalyptic number.

656566150650 is an abundant number, since it is smaller than the sum of its proper divisors (991335814374).

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

656566150650 is a wasteful number, since it uses less digits than its factorization.

656566150650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52736335 (or 52736330 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 656566150650 in words is "six hundred fifty-six billion, five hundred sixty-six million, one hundred fifty thousand, six hundred fifty".