2656531192 has 16 divisors (see below), whose sum is σ = 5692566960. Its totient is φ = 1138513344.

The previous prime is 2656531187. The next prime is 2656531253. The reversal of 2656531192 is 2911356562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23718973 + ... + 23719084.

It is an arithmetic number, because the mean of its divisors is an integer number (355785435).

Almost surely, 2^2656531192 is an apocalyptic number.

It is an amenable number.

2656531192 is an abundant number, since it is smaller than the sum of its proper divisors (3036035768).

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

2656531192 is a wasteful number, since it uses less digits than its factorization.

2656531192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47438070 (or 47438066 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 2656531192 is about 51541.5482111277. The cubic root of 2656531192 is about 1384.9634317218.

The spelling of 2656531192 in words is "two billion, six hundred fifty-six million, five hundred thirty-one thousand, one hundred ninety-two".