8097724161 has 12 divisors (see below), whose sum is σ = 11698162788. Its totient is φ = 5397813504.

The previous prime is 8097724157. The next prime is 8097724231. The reversal of 8097724161 is 1614277908.

It is a happy number.

8097724161 is a `hidden beast` number, since 80 + 97 + 72 + 416 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7232481936 + 865242225 = 85044^2 + 29415^2 .

It is not a de Polignac number, because 8097724161 - 2² = 8097724157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8097724111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27381 + ... + 130173.

It is an arithmetic number, because the mean of its divisors is an integer number (974846899).

Almost surely, 2^8097724161 is an apocalyptic number.

It is an amenable number.

8097724161 is a deficient number, since it is larger than the sum of its proper divisors (3600438627).

8097724161 is a wasteful number, since it uses less digits than its factorization.

8097724161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111552 (or 111549 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 8097724161 is about 89987.3555617677. The cubic root of 8097724161 is about 2008.1107435397.

The spelling of 8097724161 in words is "eight billion, ninety-seven million, seven hundred twenty-four thousand, one hundred sixty-one".