16064444 has 18 divisors (see below), whose sum is σ = 30901752. Its totient is φ = 7301800.

The previous prime is 16064441. The next prime is 16064449. The reversal of 16064444 is 44446061.

It is a super-2 number, since 2×16064444² = 516132722058272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16064441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16112 + ... + 17079.

It is an arithmetic number, because the mean of its divisors is an integer number (1716764).

Almost surely, 2^16064444 is an apocalyptic number.

It is an amenable number.

16064444 is a deficient number, since it is larger than the sum of its proper divisors (14837308).

16064444 is a wasteful number, since it uses less digits than its factorization.

16064444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33217 (or 33204 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 16064444 is about 4008.0474049093. The cubic root of 16064444 is about 252.3220665841.

The spelling of 16064444 in words is "sixteen million, sixty-four thousand, four hundred forty-four".