16190644 has 12 divisors (see below), whose sum is σ = 28675584. Its totient is φ = 7997624.

The previous prime is 16190639. The next prime is 16190659. The reversal of 16190644 is 44609161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24052 + ... + 24715.

It is an arithmetic number, because the mean of its divisors is an integer number (2389632).

Almost surely, 2^16190644 is an apocalyptic number.

It is an amenable number.

16190644 is a deficient number, since it is larger than the sum of its proper divisors (12484940).

16190644 is a wasteful number, since it uses less digits than its factorization.

16190644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48854 (or 48852 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 16190644 is about 4023.7599331968. The cubic root of 16190644 is about 252.9810793706.

The spelling of 16190644 in words is "sixteen million, one hundred ninety thousand, six hundred forty-four".