16599072 has 96 divisors (see below), whose sum is σ = 52762752. Its totient is φ = 4460544.

The previous prime is 16599061. The next prime is 16599073. The reversal of 16599072 is 27099561.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×16599072² = 551058382522368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16599072.

It is not an unprimeable number, because it can be changed into a prime (16599073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10698 + ... + 12150.

It is an arithmetic number, because the mean of its divisors is an integer number (549612).

Almost surely, 2^16599072 is an apocalyptic number.

16599072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16599072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26381376).

16599072 is an abundant number, since it is smaller than the sum of its proper divisors (36163680).

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

16599072 is a wasteful number, since it uses less digits than its factorization.

16599072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 16599072 is about 4074.1958715801. The cubic root of 16599072 is about 255.0906866991.

It can be divided in two parts, 1659 and 9072, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 16599072 in words is "sixteen million, five hundred ninety-nine thousand, seventy-two".