76524710161 has 9 divisors (see below), whose sum is σ = 79262795131. Its totient is φ = 73878181384.

The previous prime is 76524710117. The next prime is 76524710257. The reversal of 76524710161 is 16101742567.

The square root of 76524710161 is 276631.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 40127701761 + 36397008400 = 200319^2 + 190780^2 .

It is not a de Polignac number, because 76524710161 - 2⁹ = 76524709649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76524710261) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8017530 + ... + 8027068.

Almost surely, 2^76524710161 is an apocalyptic number.

76524710161 is the 276631-st square number.

76524710161 is the 138316-th centered octagonal number.

It is an amenable number.

76524710161 is a deficient number, since it is larger than the sum of its proper divisors (2738084970).

76524710161 is an frugal number, since it uses more digits than its factorization.

76524710161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19136 (or 9568 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 76524710161 in words is "seventy-six billion, five hundred twenty-four million, seven hundred ten thousand, one hundred sixty-one".