16064720 has 40 divisors (see below), whose sum is σ = 42687744. Its totient is φ = 5507712.

The previous prime is 16064707. The next prime is 16064723. The reversal of 16064720 is 2746061.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 16064720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16064723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13784 + ... + 14903.

Almost surely, 2^16064720 is an apocalyptic number.

16064720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16064720 is an abundant number, since it is smaller than the sum of its proper divisors (26623024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16064720 is a wasteful number, since it uses less digits than its factorization.

16064720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28707 (or 28701 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 16064720 is about 4008.0818354919. The cubic root of 16064720 is about 252.3235116075.

The spelling of 16064720 in words is "sixteen million, sixty-four thousand, seven hundred twenty".