16641133874 has 32 divisors (see below), whose sum is σ = 26410379184. Its totient is φ = 7855211520.

The previous prime is 16641133871. The next prime is 16641133909. The reversal of 16641133874 is 47833114661.

It can be written as a sum of positive squares in 8 ways, for example, as 5339955625 + 11301178249 = 73075^2 + 106307^2 .

It is a super-2 number, since 2×16641133874² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (16641133871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291032 + ... + 343484.

Almost surely, 2^16641133874 is an apocalyptic number.

16641133874 is a deficient number, since it is larger than the sum of its proper divisors (9769245310).

16641133874 is a wasteful number, since it uses less digits than its factorization.

16641133874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52622.

The product of its digits is 290304, while the sum is 44.

The spelling of 16641133874 in words is "sixteen billion, six hundred forty-one million, one hundred thirty-three thousand, eight hundred seventy-four".