16440708172 has 12 divisors (see below), whose sum is σ = 32881416400. Its totient is φ = 7046017776.

The previous prime is 16440708029. The next prime is 16440708181. The reversal of 16440708172 is 27180704461.

It is a happy number.

16440708172 is an admirable number.

It is a super-3 number, since 3×16440708172³ (a number of 32 digits) contains 333 as substring.

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, 293584047 + ... + 293584102.

Almost surely, 2^16440708172 is an apocalyptic number.

It is an amenable number.

16440708172 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16440708172 is a wasteful number, since it uses less digits than its factorization.

16440708172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587168160 (or 587168158 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 16440708172 in words is "sixteen billion, four hundred forty million, seven hundred eight thousand, one hundred seventy-two".