3161157 has 8 divisors (see below), whose sum is σ = 4248576. Its totient is φ = 2090592.

The previous prime is 3161149. The next prime is 3161159. The reversal of 3161157 is 7511613.

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

It is not a de Polignac number, because 3161157 - 2³ = 3161149 is a prime.

3161157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3161159) 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, 3768 + ... + 4529.

It is an arithmetic number, because the mean of its divisors is an integer number (531072).

Almost surely, 2^3161157 is an apocalyptic number.

It is an amenable number.

3161157 is a deficient number, since it is larger than the sum of its proper divisors (1087419).

3161157 is a wasteful number, since it uses less digits than its factorization.

3161157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8427.

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

The square root of 3161157 is about 1777.9642853556. The cubic root of 3161157 is about 146.7625859012.

The spelling of 3161157 in words is "three million, one hundred sixty-one thousand, one hundred fifty-seven".