16163310611044 has 81 divisors (see below), whose sum is σ = 30045699251001. Its totient is φ = 7607168161920.

The previous prime is 16163310611009. The next prime is 16163310611053. The reversal of 16163310611044 is 44011601336161.

The square root of 16163310611044 is 4020362.

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., 12155947225444 + 4007363385600 = 3486538^2 + 2001840^2 .

It is a super-2 number, since 2×16163310611044² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16163310610994 and 16163310611012.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 36818474977 + ... + 36818475415.

Almost surely, 2^{16163310611044} is an apocalyptic number.

16163310611044 is the 4020362-nd square number.

It is an amenable number.

16163310611044 is a deficient number, since it is larger than the sum of its proper divisors (13882388639957).

16163310611044 is an frugal number, since it uses more digits than its factorization.

16163310611044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 16163310611044 in words is "sixteen trillion, one hundred sixty-three billion, three hundred ten million, six hundred eleven thousand, forty-four".