8097521660 has 24 divisors (see below), whose sum is σ = 17047645440. Its totient is φ = 3230846784.

The previous prime is 8097521633. The next prime is 8097521741. The reversal of 8097521660 is 661257908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501980 + ... + 517859.

It is an arithmetic number, because the mean of its divisors is an integer number (710318560).

Almost surely, 2^8097521660 is an apocalyptic number.

It is an amenable number.

8097521660 is an abundant number, since it is smaller than the sum of its proper divisors (8950123780).

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

8097521660 is a wasteful number, since it uses less digits than its factorization.

8097521660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020245 (or 1020243 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 8097521660 is about 89986.2303910993. The cubic root of 8097521660 is about 2008.0940043582.

The spelling of 8097521660 in words is "eight billion, ninety-seven million, five hundred twenty-one thousand, six hundred sixty".