9516756722 has 18 divisors (see below), whose sum is σ = 15693353487. Its totient is φ = 4325108700.

The previous prime is 9516756721. The next prime is 9516756737. The reversal of 9516756722 is 2276576159.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4758378361 + 4758378361 = 68981^2 + 68981^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=68981.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9516756721) 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, 1514447 + ... + 1520717.

Almost surely, 2^9516756722 is an apocalyptic number.

9516756722 is a deficient number, since it is larger than the sum of its proper divisors (6176596765).

9516756722 is an frugal number, since it uses more digits than its factorization.

9516756722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12566 (or 6284 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 50.

The square root of 9516756722 is about 97553.8657460585. The cubic root of 9516756722 is about 2119.1562978626.

Multiplying 9516756722 by its sum of digits (50), we get a square (475837836100 = 689810²).

The spelling of 9516756722 in words is "nine billion, five hundred sixteen million, seven hundred fifty-six thousand, seven hundred twenty-two".