2516755572 has 72 divisors (see below), whose sum is σ = 6521310432. Its totient is φ = 818136000.

The previous prime is 2516755567. The next prime is 2516755589. The reversal of 2516755572 is 2755576152.

2516755572 is a `hidden beast` number, since 2 + 5 + 1 + 6 + 75 + 5 + 572 = 666.

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, 238447 + ... + 248777.

It is an arithmetic number, because the mean of its divisors is an integer number (90573756).

Almost surely, 2^2516755572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2516755572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3260655216).

2516755572 is an abundant number, since it is smaller than the sum of its proper divisors (4004554860).

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

2516755572 is a wasteful number, since it uses less digits than its factorization.

2516755572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10509 (or 10504 counting only the distinct ones).

The product of its digits is 735000, while the sum is 45.

The square root of 2516755572 is about 50167.2759077070. The cubic root of 2516755572 is about 1360.2341674349.

The spelling of 2516755572 in words is "two billion, five hundred sixteen million, seven hundred fifty-five thousand, five hundred seventy-two".