2516656 has 10 divisors (see below), whose sum is σ = 4876052. Its totient is φ = 1258320.

The previous prime is 2516603. The next prime is 2516659. The reversal of 2516656 is 6566152.

It is not an unprimeable number, because it can be changed into a prime (2516659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78630 + ... + 78661.

2^2516656 is an apocalyptic number.

It is an amenable number.

2516656 is a deficient number, since it is larger than the sum of its proper divisors (2359396).

2516656 is a wasteful number, since it uses less digits than its factorization.

2516656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157299 (or 157293 counting only the distinct ones).

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

The square root of 2516656 is about 1586.3971759935. The cubic root of 2516656 is about 136.0216228595.

The spelling of 2516656 in words is "two million, five hundred sixteen thousand, six hundred fifty-six".