16157332 has 6 divisors (see below), whose sum is σ = 28275338. Its totient is φ = 8078664.

The previous prime is 16157329. The next prime is 16157347. The reversal of 16157332 is 23375161.

16157332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16032016 + 125316 = 4004^2 + 354^2 .

It is a super-2 number, since 2×16157332² = 522118754716448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16157332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2019663 + ... + 2019670.

Almost surely, 2^16157332 is an apocalyptic number.

It is an amenable number.

16157332 is a deficient number, since it is larger than the sum of its proper divisors (12118006).

16157332 is a wasteful number, since it uses less digits than its factorization.

16157332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4039337 (or 4039335 counting only the distinct ones).

The product of its digits is 3780, while the sum is 28.

The square root of 16157332 is about 4019.6183898475. The cubic root of 16157332 is about 252.8074586874.

The spelling of 16157332 in words is "sixteen million, one hundred fifty-seven thousand, three hundred thirty-two".