16172843252 has 24 divisors (see below), whose sum is σ = 28512207360. Its totient is φ = 8026682240.

The previous prime is 16172843249. The next prime is 16172843329. The reversal of 16172843252 is 25234827161.

16172843252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334124 + ... + 379452.

It is an arithmetic number, because the mean of its divisors is an integer number (1188008640).

Almost surely, 2^16172843252 is an apocalyptic number.

It is an amenable number.

16172843252 is a deficient number, since it is larger than the sum of its proper divisors (12339364108).

16172843252 is a wasteful number, since it uses less digits than its factorization.

16172843252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45991 (or 45989 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The spelling of 16172843252 in words is "sixteen billion, one hundred seventy-two million, eight hundred forty-three thousand, two hundred fifty-two".