2656616 has 16 divisors (see below), whose sum is σ = 5050500. Its totient is φ = 1309824.

The previous prime is 2656601. The next prime is 2656627. The reversal of 2656616 is 6166562.

It can be written as a sum of positive squares in 2 ways, for example, as 2592100 + 64516 = 1610^2 + 254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1691 + ... + 2858.

2^2656616 is an apocalyptic number.

It is an amenable number.

2656616 is a deficient number, since it is larger than the sum of its proper divisors (2393884).

2656616 is a wasteful number, since it uses less digits than its factorization.

2656616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628 (or 4624 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 2656616 is about 1629.9128811075. The cubic root of 2656616 is about 138.4978169579.

The spelling of 2656616 in words is "two million, six hundred fifty-six thousand, six hundred sixteen".