656284384245161 has 16 divisors (see below), whose sum is σ = 750484837599744. Its totient is φ = 562195327264704.

The previous prime is 656284384245131. The next prime is 656284384245209. The reversal of 656284384245161 is 161542483482656.

It is not a de Polignac number, because 656284384245161 - 2⁴² = 651886337734057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656284384245131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 766821671 + ... + 767677043.

It is an arithmetic number, because the mean of its divisors is an integer number (46905302349984).

Almost surely, 2^{656284384245161} is an apocalyptic number.

It is an amenable number.

656284384245161 is a deficient number, since it is larger than the sum of its proper divisors (94200453354583).

656284384245161 is a wasteful number, since it uses less digits than its factorization.

656284384245161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920360.

The product of its digits is 265420800, while the sum is 65.

The spelling of 656284384245161 in words is "six hundred fifty-six trillion, two hundred eighty-four billion, three hundred eighty-four million, two hundred forty-five thousand, one hundred sixty-one".