16445372 has 12 divisors (see below), whose sum is σ = 28817376. Its totient is φ = 8211840.

The previous prime is 16445339. The next prime is 16445381. The reversal of 16445372 is 27354461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388 + ... + 5900.

It is an arithmetic number, because the mean of its divisors is an integer number (2401448).

Almost surely, 2^16445372 is an apocalyptic number.

It is an amenable number.

16445372 is a deficient number, since it is larger than the sum of its proper divisors (12372004).

16445372 is a wasteful number, since it uses less digits than its factorization.

16445372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5428 (or 5426 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 16445372 is about 4055.2893854816. The cubic root of 16445372 is about 254.3009019971.

The spelling of 16445372 in words is "sixteen million, four hundred forty-five thousand, three hundred seventy-two".