16957157 has 4 divisors (see below), whose sum is σ = 19379616. Its totient is φ = 14534700.

The previous prime is 16957151. The next prime is 16957159. The reversal of 16957157 is 75175961.

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.

It is a cyclic number.

It is not a de Polignac number, because 16957157 - 2¹⁴ = 16940773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16957151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211219 + ... + 1211232.

It is an arithmetic number, because the mean of its divisors is an integer number (4844904).

Almost surely, 2^16957157 is an apocalyptic number.

It is an amenable number.

16957157 is a deficient number, since it is larger than the sum of its proper divisors (2422459).

16957157 is an equidigital number, since it uses as much as digits as its factorization.

16957157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422458.

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

The square root of 16957157 is about 4117.9068712150. The cubic root of 16957157 is about 256.9119745775.

The spelling of 16957157 in words is "sixteen million, nine hundred fifty-seven thousand, one hundred fifty-seven".