16604607 has 4 divisors (see below), whose sum is σ = 22139480. Its totient is φ = 11069736.

The previous prime is 16604573. The next prime is 16604611. The reversal of 16604607 is 70640661.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16604607 - 2⁷ = 16604479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16604657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2767432 + ... + 2767437.

It is an arithmetic number, because the mean of its divisors is an integer number (5534870).

Almost surely, 2^16604607 is an apocalyptic number.

16604607 is a deficient number, since it is larger than the sum of its proper divisors (5534873).

16604607 is an equidigital number, since it uses as much as digits as its factorization.

16604607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5534872.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 16604607 is about 4074.8750901101. The cubic root of 16604607 is about 255.1190370801.

The spelling of 16604607 in words is "sixteen million, six hundred four thousand, six hundred seven".