16113644 has 12 divisors (see below), whose sum is σ = 28302624. Its totient is φ = 8027184.

The previous prime is 16113631. The next prime is 16113649. The reversal of 16113644 is 44631161.

It is not an unprimeable number, because it can be changed into a prime (16113649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6164 + ... + 8379.

It is an arithmetic number, because the mean of its divisors is an integer number (2358552).

Almost surely, 2^16113644 is an apocalyptic number.

It is an amenable number.

16113644 is a deficient number, since it is larger than the sum of its proper divisors (12188980).

16113644 is a wasteful number, since it uses less digits than its factorization.

16113644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14824 (or 14822 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 16113644 is about 4014.1803646573. The cubic root of 16113644 is about 252.5793966571.

The spelling of 16113644 in words is "sixteen million, one hundred thirteen thousand, six hundred forty-four".