2656246512 has 40 divisors (see below), whose sum is σ = 7223128960. Its totient is φ = 838814400.

The previous prime is 2656246511. The next prime is 2656246559. The reversal of 2656246512 is 2156426562.

2656246512 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2656246512² = 14111291065024332288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656246511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455364 + ... + 1457187.

It is an arithmetic number, because the mean of its divisors is an integer number (180578224).

Almost surely, 2^2656246512 is an apocalyptic number.

It is an amenable number.

2656246512 is an abundant number, since it is smaller than the sum of its proper divisors (4566882448).

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

2656246512 is a wasteful number, since it uses less digits than its factorization.

2656246512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912581 (or 2912575 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 2656246512 is about 51538.7864816392. The cubic root of 2656246512 is about 1384.9139579977.

The spelling of 2656246512 in words is "two billion, six hundred fifty-six million, two hundred forty-six thousand, five hundred twelve".