8166510128 has 60 divisors (see below), whose sum is σ = 18477971352. Its totient is φ = 3486228480.

The previous prime is 8166510119. The next prime is 8166510151. The reversal of 8166510128 is 8210156618.

It is a junction number, because it is equal to n+sod(n) for n = 8166510091 and 8166510100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181223 + ... + 221753.

Almost surely, 2^8166510128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8166510128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9238985676).

8166510128 is an abundant number, since it is smaller than the sum of its proper divisors (10311461224).

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

8166510128 is a wasteful number, since it uses less digits than its factorization.

8166510128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40810 (or 40797 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 8166510128 is about 90368.7453050002. The cubic root of 8166510128 is about 2013.7806724464.

The spelling of 8166510128 in words is "eight billion, one hundred sixty-six million, five hundred ten thousand, one hundred twenty-eight".