5018161864 has 32 divisors (see below), whose sum is σ = 10007262720. Its totient is φ = 2350884096.

The previous prime is 5018161861. The next prime is 5018161867. The reversal of 5018161864 is 4681618105.

It is an interprime number because it is at equal distance from previous prime (5018161861) and next prime (5018161867).

It is not an unprimeable number, because it can be changed into a prime (5018161861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52404 + ... + 113059.

It is an arithmetic number, because the mean of its divisors is an integer number (312726960).

Almost surely, 2^5018161864 is an apocalyptic number.

It is an amenable number.

5018161864 is a deficient number, since it is larger than the sum of its proper divisors (4989100856).

5018161864 is a wasteful number, since it uses less digits than its factorization.

5018161864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165709 (or 165705 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 5018161864 is about 70838.9854811600. The cubic root of 5018161864 is about 1712.0438682459.

Adding to 5018161864 its reverse (4681618105), we get a palindrome (9699779969).

The spelling of 5018161864 in words is "five billion, eighteen million, one hundred sixty-one thousand, eight hundred sixty-four".