16526130916 has 81 divisors (see below), whose sum is σ = 32587824969. Its totient is φ = 7330663296.

The previous prime is 16526130889. The next prime is 16526130917. The reversal of 16526130916 is 61903162561.

It is a happy number.

The square root of 16526130916 is 128554.

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., 12866364900 + 3659766016 = 113430^2 + 60496^2 .

It is a super-2 number, since 2×16526130916² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16526130917) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 83045785 + ... + 83045983.

Almost surely, 2^16526130916 is an apocalyptic number.

16526130916 is the 128554-th square number.

It is an amenable number.

16526130916 is a deficient number, since it is larger than the sum of its proper divisors (16061694053).

16526130916 is a wasteful number, since it uses less digits than its factorization.

16526130916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 16526130916 in words is "sixteen billion, five hundred twenty-six million, one hundred thirty thousand, nine hundred sixteen".