8189899180620 has 24 divisors (see below), whose sum is σ = 22931717705904. Its totient is φ = 2183973114816.

The previous prime is 8189899180579. The next prime is 8189899180657. The reversal of 8189899180620 is 260819989818.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68249159779 + ... + 68249159898.

It is an arithmetic number, because the mean of its divisors is an integer number (955488237746).

Almost surely, 2^{8189899180620} is an apocalyptic number.

It is an amenable number.

8189899180620 is an abundant number, since it is smaller than the sum of its proper divisors (14741818525284).

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

8189899180620 is a wasteful number, since it uses less digits than its factorization.

8189899180620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136498319689 (or 136498319687 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 69.

The spelling of 8189899180620 in words is "eight trillion, one hundred eighty-nine billion, eight hundred ninety-nine million, one hundred eighty thousand, six hundred twenty".