8634160881 has 12 divisors (see below), whose sum is σ = 12676018420. Its totient is φ = 5661744480.

The previous prime is 8634160879. The next prime is 8634160901. The reversal of 8634160881 is 1880614368.

It is a happy number.

8634160881 is a `hidden beast` number, since 8 + 6 + 34 + 1 + 608 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2733616656 + 5900544225 = 52284^2 + 76815^2 .

It is not a de Polignac number, because 8634160881 - 2¹ = 8634160879 is a prime.

It is a super-2 number, since 2×8634160881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8634160181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7862986 + ... + 7864083.

Almost surely, 2^8634160881 is an apocalyptic number.

It is an amenable number.

8634160881 is a deficient number, since it is larger than the sum of its proper divisors (4041857539).

8634160881 is a wasteful number, since it uses less digits than its factorization.

8634160881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15727136 (or 15727133 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 8634160881 is about 92920.1855411406. The cubic root of 8634160881 is about 2051.5087747529.

The spelling of 8634160881 in words is "eight billion, six hundred thirty-four million, one hundred sixty thousand, eight hundred eighty-one".