16604006 has 8 divisors (see below), whose sum is σ = 25065120. Its totient is φ = 8248968.

The previous prime is 16603997. The next prime is 16604023. The reversal of 16604006 is 60040661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26126 + ... + 26753.

It is an arithmetic number, because the mean of its divisors is an integer number (3133140).

Almost surely, 2^16604006 is an apocalyptic number.

16604006 is a deficient number, since it is larger than the sum of its proper divisors (8461114).

16604006 is a wasteful number, since it uses less digits than its factorization.

16604006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53038.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 16604006 is about 4074.8013448511. The cubic root of 16604006 is about 255.1159590510.

Adding to 16604006 its reverse (60040661), we get a palindrome (76644667).

The spelling of 16604006 in words is "sixteen million, six hundred four thousand, six".