16404161606 has 16 divisors (see below), whose sum is σ = 28211272224. Its totient is φ = 7007891904.

The previous prime is 16404161573. The next prime is 16404161617. The reversal of 16404161606 is 60616140461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1867385 + ... + 1876148.

It is an arithmetic number, because the mean of its divisors is an integer number (1763204514).

Almost surely, 2^16404161606 is an apocalyptic number.

16404161606 is a deficient number, since it is larger than the sum of its proper divisors (11807110618).

16404161606 is a wasteful number, since it uses less digits than its factorization.

16404161606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743855.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 16404161606 in words is "sixteen billion, four hundred four million, one hundred sixty-one thousand, six hundred six".