4521116768 has 24 divisors (see below), whose sum is σ = 10172513232. Its totient is φ = 1937621376.

The previous prime is 4521116767. The next prime is 4521116777. The reversal of 4521116768 is 8676111254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521116767) 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, 10091555 + ... + 10092002.

It is an arithmetic number, because the mean of its divisors is an integer number (423854718).

Almost surely, 2^4521116768 is an apocalyptic number.

It is an amenable number.

4521116768 is an abundant number, since it is smaller than the sum of its proper divisors (5651396464).

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

4521116768 is a wasteful number, since it uses less digits than its factorization.

4521116768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20183574 (or 20183566 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 4521116768 is about 67239.2502040289. The cubic root of 4521116768 is about 1653.5420410883.

The spelling of 4521116768 in words is "four billion, five hundred twenty-one million, one hundred sixteen thousand, seven hundred sixty-eight".