16172317344 has 48 divisors (see below), whose sum is σ = 42762238848. Its totient is φ = 5351419392.

The previous prime is 16172317327. The next prime is 16172317433. The reversal of 16172317344 is 44371327161.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601672 + ... + 627975.

It is an arithmetic number, because the mean of its divisors is an integer number (890879976).

Almost surely, 2^16172317344 is an apocalyptic number.

It is an amenable number.

16172317344 is an abundant number, since it is smaller than the sum of its proper divisors (26589921504).

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

16172317344 is a wasteful number, since it uses less digits than its factorization.

16172317344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229797 (or 1229789 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The spelling of 16172317344 in words is "sixteen billion, one hundred seventy-two million, three hundred seventeen thousand, three hundred forty-four".