16936159321 has 9 divisors (see below), whose sum is σ = 17053965183. Its totient is φ = 16819164360.

The previous prime is 16936159241. The next prime is 16936159327. The reversal of 16936159321 is 12395163961.

The square root of 16936159321 is 130139.

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., 186622921 + 16749536400 = 13661^2 + 129420^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16936159321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16936159327) 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, 23554800 + ... + 23555518.

Almost surely, 2^16936159321 is an apocalyptic number.

16936159321 is the 130139-th square number.

16936159321 is the 65070-th centered octagonal number.

It is an amenable number.

16936159321 is a deficient number, since it is larger than the sum of its proper divisors (117805862).

16936159321 is an frugal number, since it uses more digits than its factorization.

16936159321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 900 counting only the distinct ones).

The product of its digits is 262440, while the sum is 46.

The spelling of 16936159321 in words is "sixteen billion, nine hundred thirty-six million, one hundred fifty-nine thousand, three hundred twenty-one".