16157328 has 80 divisors (see below), whose sum is σ = 46282752. Its totient is φ = 4816000.

The previous prime is 16157303. The next prime is 16157329. The reversal of 16157328 is 82375161.

It is a super-2 number, since 2×16157328² = 522118496199168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (16157329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37273 + ... + 37703.

Almost surely, 2^16157328 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 16157328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23141376).

16157328 is an abundant number, since it is smaller than the sum of its proper divisors (30125424).

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

16157328 is a wasteful number, since it uses less digits than its factorization.

16157328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 518 counting only the distinct ones).

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

The square root of 16157328 is about 4019.6178922878. The cubic root of 16157328 is about 252.8074378253.

The spelling of 16157328 in words is "sixteen million, one hundred fifty-seven thousand, three hundred twenty-eight".