3157161 has 16 divisors (see below), whose sum is σ = 4848000. Its totient is φ = 1790208.

The previous prime is 3157151. The next prime is 3157163. The reversal of 3157161 is 1617513.

It is not a de Polignac number, because 3157161 - 2⁹ = 3156649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3157163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2625 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (303000).

Almost surely, 2^3157161 is an apocalyptic number.

It is an amenable number.

3157161 is a deficient number, since it is larger than the sum of its proper divisors (1690839).

3157161 is a wasteful number, since it uses less digits than its factorization.

3157161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168.

The product of its digits is 630, while the sum is 24.

The square root of 3157161 is about 1776.8401728912. The cubic root of 3157161 is about 146.7007192511.

The spelling of 3157161 in words is "three million, one hundred fifty-seven thousand, one hundred sixty-one".