16404025612 has 24 divisors (see below), whose sum is σ = 31158718976. Its totient is φ = 7511470848.

The previous prime is 16404025609. The next prime is 16404025613. The reversal of 16404025612 is 21652040461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (16404025613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235373 + ... + 1248580.

Almost surely, 2^16404025612 is an apocalyptic number.

It is an amenable number.

16404025612 is a deficient number, since it is larger than the sum of its proper divisors (14754693364).

16404025612 is a wasteful number, since it uses less digits than its factorization.

16404025612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484097 (or 2484095 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 16404025612 in words is "sixteen billion, four hundred four million, twenty-five thousand, six hundred twelve".