3160385881 has 4 divisors (see below), whose sum is σ = 3326722000. Its totient is φ = 2994049764.

The previous prime is 3160385857. The next prime is 3160385887. The reversal of 3160385881 is 1885830613.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1885830613 = 1999 ⋅943387.

It is a cyclic number.

It is not a de Polignac number, because 3160385881 - 2⁹ = 3160385369 is a prime.

It is a super-2 number, since 2×3160385881² = 19976077833648292322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3160385887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83168031 + ... + 83168068.

It is an arithmetic number, because the mean of its divisors is an integer number (831680500).

Almost surely, 2^3160385881 is an apocalyptic number.

It is an amenable number.

3160385881 is a deficient number, since it is larger than the sum of its proper divisors (166336119).

3160385881 is a wasteful number, since it uses less digits than its factorization.

3160385881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166336118.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 3160385881 is about 56217.3094429109. The cubic root of 3160385881 is about 1467.5065138672.

The spelling of 3160385881 in words is "three billion, one hundred sixty million, three hundred eighty-five thousand, eight hundred eighty-one".