16220585404 has 12 divisors (see below), whose sum is σ = 28409243184. Its totient is φ = 8103658784.

The previous prime is 16220585371. The next prime is 16220585419. The reversal of 16220585404 is 40458502261.

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, 1652977 + ... + 1662760.

It is an arithmetic number, because the mean of its divisors is an integer number (2367436932).

Almost surely, 2^16220585404 is an apocalyptic number.

It is an amenable number.

16220585404 is a deficient number, since it is larger than the sum of its proper divisors (12188657780).

16220585404 is a wasteful number, since it uses less digits than its factorization.

16220585404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316964 (or 3316962 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 16220585404 in words is "sixteen billion, two hundred twenty million, five hundred eighty-five thousand, four hundred four".