8165449100 has 18 divisors (see below), whose sum is σ = 17719024764. Its totient is φ = 3266179600.

The previous prime is 8165449079. The next prime is 8165449133. The reversal of 8165449100 is 19445618.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40827146 + ... + 40827345.

Almost surely, 2^8165449100 is an apocalyptic number.

It is an amenable number.

8165449100 is an abundant number, since it is smaller than the sum of its proper divisors (9553575664).

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

8165449100 is a wasteful number, since it uses less digits than its factorization.

8165449100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81654505 (or 81654498 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 8165449100 is about 90362.8745669371. The cubic root of 8165449100 is about 2013.6934556635.

The spelling of 8165449100 in words is "eight billion, one hundred sixty-five million, four hundred forty-nine thousand, one hundred".