2081160945 has 40 divisors (see below), whose sum is σ = 3734311680. Its totient is φ = 1108870560.

The previous prime is 2081160937. The next prime is 2081160971. The reversal of 2081160945 is 5490611802.

2081160945 is a `hidden beast` number, since 2 + 0 + 8 + 1 + 1 + 609 + 45 = 666.

It is not a de Polignac number, because 2081160945 - 2³ = 2081160937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 581010 + ... + 584580.

It is an arithmetic number, because the mean of its divisors is an integer number (93357792).

Almost surely, 2^2081160945 is an apocalyptic number.

It is an amenable number.

2081160945 is a deficient number, since it is larger than the sum of its proper divisors (1653150735).

2081160945 is a wasteful number, since it uses less digits than its factorization.

2081160945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027 (or 5018 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 2081160945 is about 45619.7429300078. The cubic root of 2081160945 is about 1276.7383071536.

The spelling of 2081160945 in words is "two billion, eighty-one million, one hundred sixty thousand, nine hundred forty-five".