8671618080 has 384 divisors, whose sum is σ = 31381136640. Its totient is φ = 2235064320.

The previous prime is 8671618051. The next prime is 8671618103. The reversal of 8671618080 is 808161768.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30641619 + ... + 30641901.

It is an arithmetic number, because the mean of its divisors is an integer number (81721710).

Almost surely, 2^8671618080 is an apocalyptic number.

8671618080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8671618080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15690568320).

8671618080 is an abundant number, since it is smaller than the sum of its proper divisors (22709518560).

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

8671618080 is a wasteful number, since it uses less digits than its factorization.

8671618080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The square root of 8671618080 is about 93121.5231834188. The cubic root of 8671618080 is about 2054.4711516758.

The spelling of 8671618080 in words is "eight billion, six hundred seventy-one million, six hundred eighteen thousand, eighty".