8160420828 has 48 divisors (see below), whose sum is σ = 21784170240. Its totient is φ = 2329079424.

The previous prime is 8160420787. The next prime is 8160420839. The reversal of 8160420828 is 8280240618.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29083 + ... + 131021.

It is an arithmetic number, because the mean of its divisors is an integer number (453836880).

Almost surely, 2^8160420828 is an apocalyptic number.

It is an amenable number.

8160420828 is an abundant number, since it is smaller than the sum of its proper divisors (13623749412).

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

8160420828 is a wasteful number, since it uses less digits than its factorization.

8160420828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102906 (or 102904 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 8160420828 is about 90335.0476171901. The cubic root of 8160420828 is about 2013.2800275957.

The spelling of 8160420828 in words is "eight billion, one hundred sixty million, four hundred twenty thousand, eight hundred twenty-eight".