8416618872 has 32 divisors (see below), whose sum is σ = 21068955600. Its totient is φ = 2801885184.

The previous prime is 8416618871. The next prime is 8416618907. The reversal of 8416618872 is 2788166148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8416618871) 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, 209563 + ... + 246474.

Almost surely, 2^8416618872 is an apocalyptic number.

It is an amenable number.

8416618872 is an abundant number, since it is smaller than the sum of its proper divisors (12652336728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8416618872 is a wasteful number, since it uses less digits than its factorization.

8416618872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456815 (or 456811 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 51.

The square root of 8416618872 is about 91742.1324801206. The cubic root of 8416618872 is about 2034.1324147158.

The spelling of 8416618872 in words is "eight billion, four hundred sixteen million, six hundred eighteen thousand, eight hundred seventy-two".