3157960161 has 4 divisors (see below), whose sum is σ = 4210613552. Its totient is φ = 2105306772.

The previous prime is 3157960159. The next prime is 3157960181. The reversal of 3157960161 is 1610697513.

It is a happy number.

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 3157960161 - 2¹ = 3157960159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3157960181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526326691 + ... + 526326696.

It is an arithmetic number, because the mean of its divisors is an integer number (1052653388).

Almost surely, 2^3157960161 is an apocalyptic number.

It is an amenable number.

3157960161 is a deficient number, since it is larger than the sum of its proper divisors (1052653391).

3157960161 is a wasteful number, since it uses less digits than its factorization.

3157960161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052653390.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 3157960161 is about 56195.7308075978. The cubic root of 3157960161 is about 1467.1309615164.

The spelling of 3157960161 in words is "three billion, one hundred fifty-seven million, nine hundred sixty thousand, one hundred sixty-one".