162957 has 4 divisors (see below), whose sum is σ = 217280. Its totient is φ = 108636.

The previous prime is 162947. The next prime is 162971. The reversal of 162957 is 759261.

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 not a de Polignac number, because 162957 - 2⁷ = 162829 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162907) 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, 27157 + ... + 27162.

It is an arithmetic number, because the mean of its divisors is an integer number (54320).

2¹⁶²⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

162957 is a deficient number, since it is larger than the sum of its proper divisors (54323).

162957 is an equidigital number, since it uses as much as digits as its factorization.

162957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54322.

The product of its digits is 3780, while the sum is 30.

The square root of 162957 is about 403.6793281802. The cubic root of 162957 is about 54.6207518161.

The spelling of 162957 in words is "one hundred sixty-two thousand, nine hundred fifty-seven".