2516022664 has 16 divisors (see below), whose sum is σ = 4718159820. Its totient is φ = 1257846720.

The previous prime is 2516022611. The next prime is 2516022667. The reversal of 2516022664 is 4662206152.

It can be written as a sum of positive squares in 2 ways, for example, as 1837836900 + 678185764 = 42870^2 + 26042^2 .

It is not an unprimeable number, because it can be changed into a prime (2516022667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65622 + ... + 96634.

Almost surely, 2^2516022664 is an apocalyptic number.

It is an amenable number.

2516022664 is a deficient number, since it is larger than the sum of its proper divisors (2202137156).

2516022664 is a wasteful number, since it uses less digits than its factorization.

2516022664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41160 (or 41156 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2516022664 is about 50159.9707336438. The cubic root of 2516022664 is about 1360.1021160348.

The spelling of 2516022664 in words is "two billion, five hundred sixteen million, twenty-two thousand, six hundred sixty-four".