5216556768 has 48 divisors (see below), whose sum is σ = 14288835456. Its totient is φ = 1663249280.

The previous prime is 5216556767. The next prime is 5216556773. The reversal of 5216556768 is 8676556125.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 5216556768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5216556767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179078 + ... + 1183493.

It is an arithmetic number, because the mean of its divisors is an integer number (297684072).

Almost surely, 2^5216556768 is an apocalyptic number.

It is an amenable number.

5216556768 is an abundant number, since it is smaller than the sum of its proper divisors (9072278688).

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

5216556768 is a wasteful number, since it uses less digits than its factorization.

5216556768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362607 (or 2362599 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 51.

The square root of 5216556768 is about 72225.7348041541. The cubic root of 5216556768 is about 1734.3149959418.

The spelling of 5216556768 in words is "five billion, two hundred sixteen million, five hundred fifty-six thousand, seven hundred sixty-eight".