16641606 has 64 divisors (see below), whose sum is σ = 38430720. Its totient is φ = 4769280.

The previous prime is 16641577. The next prime is 16641617. The reversal of 16641606 is 60614661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59940 + ... + 60216.

It is an arithmetic number, because the mean of its divisors is an integer number (600480).

Almost surely, 2^16641606 is an apocalyptic number.

16641606 is an abundant number, since it is smaller than the sum of its proper divisors (21789114).

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

16641606 is a wasteful number, since it uses less digits than its factorization.

16641606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 16641606 is about 4079.4124576953. The cubic root of 16641606 is about 255.3083850731.

The spelling of 16641606 in words is "sixteen million, six hundred forty-one thousand, six hundred six".