16108894404 has 72 divisors (see below), whose sum is σ = 41200199040. Its totient is φ = 5306472000.

The previous prime is 16108894369. The next prime is 16108894409. The reversal of 16108894404 is 40449880161.

16108894404 is a `hidden beast` number, since 161 + 0 + 8 + 89 + 4 + 404 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16108894404.

It is not an unprimeable number, because it can be changed into a prime (16108894409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2072277 + ... + 2080035.

Almost surely, 2^16108894404 is an apocalyptic number.

It is an amenable number.

16108894404 is an abundant number, since it is smaller than the sum of its proper divisors (25091304636).

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

16108894404 is a wasteful number, since it uses less digits than its factorization.

16108894404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8441 (or 8436 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 16108894404 in words is "sixteen billion, one hundred eight million, eight hundred ninety-four thousand, four hundred four".