16157957 has 2 divisors, whose sum is σ = 16157958. Its totient is φ = 16157956.

The previous prime is 16157941. The next prime is 16157971. The reversal of 16157957 is 75975161.

16157957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10233601 + 5924356 = 3199^2 + 2434^2 .

It is a cyclic number.

It is not a de Polignac number, because 16157957 - 2⁴ = 16157941 is a prime.

It is a super-2 number, since 2×16157957² = 522159148827698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16157927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8078978 + 8078979.

It is an arithmetic number, because the mean of its divisors is an integer number (8078979).

Almost surely, 2^16157957 is an apocalyptic number.

It is an amenable number.

16157957 is a deficient number, since it is larger than the sum of its proper divisors (1).

16157957 is an equidigital number, since it uses as much as digits as its factorization.

16157957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 41.

The square root of 16157957 is about 4019.6961327941. The cubic root of 16157957 is about 252.8107183556.

The spelling of 16157957 in words is "sixteen million, one hundred fifty-seven thousand, nine hundred fifty-seven".