16604500 has 48 divisors (see below), whose sum is σ = 39574080. Its totient is φ = 6036000.

The previous prime is 16604491. The next prime is 16604503. The reversal of 16604500 is 540661.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16604503) 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, 3991 + ... + 7009.

It is an arithmetic number, because the mean of its divisors is an integer number (824460).

Almost surely, 2^16604500 is an apocalyptic number.

16604500 is a gapful number since it is divisible by the number (10) 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 16604500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19787040).

16604500 is an abundant number, since it is smaller than the sum of its proper divisors (22969580).

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

16604500 is a wasteful number, since it uses less digits than its factorization.

16604500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 16604500 is about 4074.8619608522. The cubic root of 16604500 is about 255.1184890837.

The spelling of 16604500 in words is "sixteen million, six hundred four thousand, five hundred".