3164445881 has 2 divisors, whose sum is σ = 3164445882. Its totient is φ = 3164445880.

The previous prime is 3164445859. The next prime is 3164445899. The reversal of 3164445881 is 1885444613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2839184656 + 325261225 = 53284^2 + 18035^2 .

It is a cyclic number.

It is not a de Polignac number, because 3164445881 - 2²⁶ = 3097337017 is a prime.

It is a super-2 number, since 2×3164445881² = 20027435467555732322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3164445181) 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 as a sum of consecutive naturals, namely, 1582222940 + 1582222941.

It is an arithmetic number, because the mean of its divisors is an integer number (1582222941).

Almost surely, 2^3164445881 is an apocalyptic number.

It is an amenable number.

3164445881 is a deficient number, since it is larger than the sum of its proper divisors (1).

3164445881 is an equidigital number, since it uses as much as digits as its factorization.

3164445881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 44.

The square root of 3164445881 is about 56253.4077278879. The cubic root of 3164445881 is about 1468.1346573003.

The spelling of 3164445881 in words is "three billion, one hundred sixty-four million, four hundred forty-five thousand, eight hundred eighty-one".