16157 has 4 divisors (see below), whose sum is σ = 16416. Its totient is φ = 15900.

The previous prime is 16141. The next prime is 16183. The reversal of 16157 is 75161.

16157 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 16157 - 2⁴ = 16141 is a prime.

It is a super-2 number, since 2×16157² = 522097298, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16127) 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, 32 + ... + 182.

It is an arithmetic number, because the mean of its divisors is an integer number (4104).

2¹⁶¹⁵⁷ is an apocalyptic number.

It is an amenable number.

16157 is a deficient number, since it is larger than the sum of its proper divisors (259).

16157 is a wasteful number, since it uses less digits than its factorization.

16157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258.

The product of its digits is 210, while the sum is 20.

The square root of 16157 is about 127.1101884193. The cubic root of 16157 is about 25.2805727117.

The spelling of 16157 in words is "sixteen thousand, one hundred fifty-seven".