16315872 has 24 divisors (see below), whose sum is σ = 42829416. Its totient is φ = 5438592.

The previous prime is 16315861. The next prime is 16315879. The reversal of 16315872 is 27851361.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16315879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84883 + ... + 85074.

It is an arithmetic number, because the mean of its divisors is an integer number (1784559).

Almost surely, 2^16315872 is an apocalyptic number.

16315872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16315872 is an abundant number, since it is smaller than the sum of its proper divisors (26513544).

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

16315872 is a wasteful number, since it uses less digits than its factorization.

16315872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169970 (or 169962 counting only the distinct ones).

The product of its digits is 10080, while the sum is 33.

The square root of 16315872 is about 4039.2910269006. The cubic root of 16315872 is about 253.6316399802.

It can be divided in two parts, 1631 and 5872, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 16315872 in words is "sixteen million, three hundred fifteen thousand, eight hundred seventy-two".