2656605051 has 24 divisors (see below), whose sum is σ = 3873055680. Its totient is φ = 1754651376.

The previous prime is 2656605031. The next prime is 2656605053. The reversal of 2656605051 is 1505066562.

It is a happy number.

It is not a de Polignac number, because 2656605051 - 2²³ = 2648216443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2656604997 and 2656605015.

It is not an unprimeable number, because it can be changed into a prime (2656605053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453000 + ... + 458826.

It is an arithmetic number, because the mean of its divisors is an integer number (161377320).

Almost surely, 2^2656605051 is an apocalyptic number.

2656605051 is a deficient number, since it is larger than the sum of its proper divisors (1216450629).

2656605051 is a wasteful number, since it uses less digits than its factorization.

2656605051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295 (or 6292 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 2656605051 is about 51542.2647057733. The cubic root of 2656605051 is about 1384.9762668890.

The spelling of 2656605051 in words is "two billion, six hundred fifty-six million, six hundred five thousand, fifty-one".