16404654844 has 12 divisors (see below), whose sum is σ = 28786372384. Its totient is φ = 8179977024.

The previous prime is 16404654839. The next prime is 16404654869. The reversal of 16404654844 is 44845640461.

It is a super-2 number, since 2×16404654844² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16404654794 and 16404654803.

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, 5585949 + ... + 5588884.

Almost surely, 2^16404654844 is an apocalyptic number.

It is an amenable number.

16404654844 is a deficient number, since it is larger than the sum of its proper divisors (12381717540).

16404654844 is a wasteful number, since it uses less digits than its factorization.

16404654844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11175204 (or 11175202 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 46.

The spelling of 16404654844 in words is "sixteen billion, four hundred four million, six hundred fifty-four thousand, eight hundred forty-four".