80498895165 has 24 divisors (see below), whose sum is σ = 150264605400. Its totient is φ = 39630225024.

The previous prime is 80498895157. The next prime is 80498895401. The reversal of 80498895165 is 56159889408.

80498895165 is a `hidden beast` number, since 8 + 0 + 498 + 89 + 5 + 1 + 65 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2352929049 + 78145966116 = 48507^2 + 279546^2 .

It is not a de Polignac number, because 80498895165 - 2³ = 80498895157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68801890 + ... + 68803059.

It is an arithmetic number, because the mean of its divisors is an integer number (6261025225).

Almost surely, 2^80498895165 is an apocalyptic number.

It is an amenable number.

80498895165 is a deficient number, since it is larger than the sum of its proper divisors (69765710235).

80498895165 is a wasteful number, since it uses less digits than its factorization.

80498895165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137604973 (or 137604970 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 63.

The spelling of 80498895165 in words is "eighty billion, four hundred ninety-eight million, eight hundred ninety-five thousand, one hundred sixty-five".