2516568894 has 48 divisors (see below), whose sum is σ = 6376436352. Its totient is φ = 702296784.

The previous prime is 2516568877. The next prime is 2516568907. The reversal of 2516568894 is 4988656152.

It is a self number, because there is not a number n which added to its sum of digits gives 2516568894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226824 + ... + 237659.

It is an arithmetic number, because the mean of its divisors is an integer number (132842424).

Almost surely, 2^2516568894 is an apocalyptic number.

2516568894 is an abundant number, since it is smaller than the sum of its proper divisors (3859867458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2516568894 is a wasteful number, since it uses less digits than its factorization.

2516568894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464541 (or 464538 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 2516568894 is about 50165.4153177266. The cubic root of 2516568894 is about 1360.2005352360.

The spelling of 2516568894 in words is "two billion, five hundred sixteen million, five hundred sixty-eight thousand, eight hundred ninety-four".