3162638981161 has 81 divisors (see below), whose sum is σ = 3754015409277. Its totient is φ = 2662022951280.

The previous prime is 3162638981141. The next prime is 3162638981189. The reversal of 3162638981161 is 1611898362613.

The square root of 3162638981161 is 1778381.

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

It is not a de Polignac number, because 3162638981161 - 2¹¹ = 3162638979113 is a prime.

It is a super-2 number, since 2×3162638981161² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3162638981141) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 24902669080 + ... + 24902669206.

Almost surely, 2^{3162638981161} is an apocalyptic number.

3162638981161 is the 1778381-st square number.

3162638981161 is the 889191-st centered octagonal number.

It is an amenable number.

3162638981161 is a deficient number, since it is larger than the sum of its proper divisors (591376428116).

3162638981161 is an equidigital number, since it uses as much as digits as its factorization.

3162638981161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 224 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 55.

The spelling of 3162638981161 in words is "three trillion, one hundred sixty-two billion, six hundred thirty-eight million, nine hundred eighty-one thousand, one hundred sixty-one".