2656051312 has 20 divisors (see below), whose sum is σ = 5169183040. Its totient is φ = 1322068608.

The previous prime is 2656051309. The next prime is 2656051367. The reversal of 2656051312 is 2131506562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368637 + ... + 375772.

It is an arithmetic number, because the mean of its divisors is an integer number (258459152).

Almost surely, 2^2656051312 is an apocalyptic number.

It is an amenable number.

2656051312 is a deficient number, since it is larger than the sum of its proper divisors (2513131728).

2656051312 is a wasteful number, since it uses less digits than its factorization.

2656051312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744640 (or 744634 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 2656051312 is about 51536.8927274433. The cubic root of 2656051312 is about 1384.8800327043.

Adding to 2656051312 its reverse (2131506562), we get a palindrome (4787557874).

The spelling of 2656051312 in words is "two billion, six hundred fifty-six million, fifty-one thousand, three hundred twelve".