16131244 has 6 divisors (see below), whose sum is σ = 28229684. Its totient is φ = 8065620.

The previous prime is 16131233. The next prime is 16131307. The reversal of 16131244 is 44213161.

16131244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016402 + ... + 2016409.

Almost surely, 2^16131244 is an apocalyptic number.

It is an amenable number.

16131244 is a deficient number, since it is larger than the sum of its proper divisors (12098440).

16131244 is a wasteful number, since it uses less digits than its factorization.

16131244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032815 (or 4032813 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 16131244 is about 4016.3719947236. The cubic root of 16131244 is about 252.6713224784.

The spelling of 16131244 in words is "sixteen million, one hundred thirty-one thousand, two hundred forty-four".