16017725172 has 96 divisors (see below), whose sum is σ = 38944604160. Its totient is φ = 5118503040.

The previous prime is 16017725149. The next prime is 16017725177. The reversal of 16017725172 is 27152771061.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16017725172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16017725177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24305779 + ... + 24306437.

It is an arithmetic number, because the mean of its divisors is an integer number (405672960).

Almost surely, 2^16017725172 is an apocalyptic number.

16017725172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16017725172 is an abundant number, since it is smaller than the sum of its proper divisors (22926878988).

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

16017725172 is a wasteful number, since it uses less digits than its factorization.

16017725172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 39.

The spelling of 16017725172 in words is "sixteen billion, seventeen million, seven hundred twenty-five thousand, one hundred seventy-two".