16157372 has 72 divisors (see below), whose sum is σ = 37537920. Its totient is φ = 5940000.

The previous prime is 16157371. The next prime is 16157377. The reversal of 16157372 is 27375161.

It is a super-2 number, since 2×16157372² = 522121339892768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16157371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64247 + ... + 64497.

It is an arithmetic number, because the mean of its divisors is an integer number (521360).

Almost surely, 2^16157372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16157372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18768960).

16157372 is an abundant number, since it is smaller than the sum of its proper divisors (21380548).

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

16157372 is a wasteful number, since it uses less digits than its factorization.

16157372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 290 counting only the distinct ones).

The product of its digits is 8820, while the sum is 32.

The square root of 16157372 is about 4019.6233654411. The cubic root of 16157372 is about 252.8076673087.

The spelling of 16157372 in words is "sixteen million, one hundred fifty-seven thousand, three hundred seventy-two".