2656605064 has 64 divisors (see below), whose sum is σ = 5332262400. Its totient is φ = 1237910784.

The previous prime is 2656605053. The next prime is 2656605067. The reversal of 2656605064 is 4605066562.

It is not an unprimeable number, because it can be changed into a prime (2656605067) 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, 2394942 + ... + 2396050.

It is an arithmetic number, because the mean of its divisors is an integer number (83316600).

Almost surely, 2^2656605064 is an apocalyptic number.

It is an amenable number.

2656605064 is an abundant number, since it is smaller than the sum of its proper divisors (2675657336).

2656605064 is a wasteful number, since it uses less digits than its factorization.

2656605064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 2656605064 is about 51542.2648318834. The cubic root of 2656605064 is about 1384.9762691481.

The spelling of 2656605064 in words is "two billion, six hundred fifty-six million, six hundred five thousand, sixty-four".