8168249800 has 24 divisors (see below), whose sum is σ = 18991181250. Its totient is φ = 3267299840.

The previous prime is 8168249773. The next prime is 8168249801. The reversal of 8168249800 is 89428618.

It can be written as a sum of positive squares in 3 ways, for example, as 3047702436 + 5120547364 = 55206^2 + 71558^2 .

It is not an unprimeable number, because it can be changed into a prime (8168249801) by changing a digit.

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, 20420425 + ... + 20420824.

Almost surely, 2^8168249800 is an apocalyptic number.

It is an amenable number.

8168249800 is an abundant number, since it is smaller than the sum of its proper divisors (10822931450).

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

8168249800 is a wasteful number, since it uses less digits than its factorization.

8168249800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40841265 (or 40841256 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 8168249800 is about 90378.3701999544. The cubic root of 8168249800 is about 2013.9236575999.

The spelling of 8168249800 in words is "eight billion, one hundred sixty-eight million, two hundred forty-nine thousand, eight hundred".