7993168528 has 20 divisors (see below), whose sum is σ = 16397750700. Its totient is φ = 3761490944.

The previous prime is 7993168523. The next prime is 7993168531. The reversal of 7993168528 is 8258613997.

It can be written as a sum of positive squares in 2 ways, for example, as 4389327504 + 3603841024 = 66252^2 + 60032^2 .

It is not an unprimeable number, because it can be changed into a prime (7993168523) 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, 14693053 + ... + 14693596.

It is an arithmetic number, because the mean of its divisors is an integer number (819887535).

Almost surely, 2^7993168528 is an apocalyptic number.

It is an amenable number.

7993168528 is an abundant number, since it is smaller than the sum of its proper divisors (8404582172).

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

7993168528 is a wasteful number, since it uses less digits than its factorization.

7993168528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29386674 (or 29386668 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The square root of 7993168528 is about 89404.5218543223. The cubic root of 7993168528 is about 1999.4305485446.

The spelling of 7993168528 in words is "seven billion, nine hundred ninety-three million, one hundred sixty-eight thousand, five hundred twenty-eight".