2168157 has 8 divisors (see below), whose sum is σ = 2952576. Its totient is φ = 1414592.

The previous prime is 2168149. The next prime is 2168183. The reversal of 2168157 is 7518612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2168157 - 2³ = 2168149 is a prime.

2168157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7548 + ... + 7829.

It is an arithmetic number, because the mean of its divisors is an integer number (369072).

2^2168157 is an apocalyptic number.

It is an amenable number.

2168157 is a deficient number, since it is larger than the sum of its proper divisors (784419).

2168157 is a wasteful number, since it uses less digits than its factorization.

2168157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15427.

The product of its digits is 3360, while the sum is 30.

The square root of 2168157 is about 1472.4662984259. The cubic root of 2168157 is about 129.4285966642.

The spelling of 2168157 in words is "two million, one hundred sixty-eight thousand, one hundred fifty-seven".