656016011651 has 48 divisors (see below), whose sum is σ = 891460534272. Its totient is φ = 469741947840.

The previous prime is 656016011597. The next prime is 656016011687. The reversal of 656016011651 is 156110610656.

It is not a de Polignac number, because 656016011651 - 2¹⁴ = 656015995267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (656016011051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2321870 + ... + 2589036.

It is an arithmetic number, because the mean of its divisors is an integer number (18572094464).

Almost surely, 2^656016011651 is an apocalyptic number.

656016011651 is a deficient number, since it is larger than the sum of its proper divisors (235444522621).

656016011651 is a wasteful number, since it uses less digits than its factorization.

656016011651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267432 (or 267421 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 656016011651 in words is "six hundred fifty-six billion, sixteen million, eleven thousand, six hundred fifty-one".