16944131 has 4 divisors (see below), whose sum is σ = 17058000. Its totient is φ = 16830264.

The previous prime is 16944119. The next prime is 16944133. The reversal of 16944131 is 13144961.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16944131 - 2²² = 12749827 is a prime.

It is a super-2 number, since 2×16944131² = 574207150690322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16944094 and 16944103.

It is not an unprimeable number, because it can be changed into a prime (16944133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56711 + ... + 57008.

It is an arithmetic number, because the mean of its divisors is an integer number (4264500).

Almost surely, 2^16944131 is an apocalyptic number.

16944131 is a deficient number, since it is larger than the sum of its proper divisors (113869).

16944131 is a wasteful number, since it uses less digits than its factorization.

16944131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113868.

The product of its digits is 2592, while the sum is 29.

The square root of 16944131 is about 4116.3249385830. The cubic root of 16944131 is about 256.8461735974.

The spelling of 16944131 in words is "sixteen million, nine hundred forty-four thousand, one hundred thirty-one".