108163899 has 6 divisors (see below), whose sum is σ = 156236756. Its totient is φ = 72109260.

The previous prime is 108163897. The next prime is 108163907. The reversal of 108163899 is 998361801.

108163899 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 638 + 9 + 9 = 666.

It is not a de Polignac number, because 108163899 - 2¹ = 108163897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108163897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6009097 + ... + 6009114.

Almost surely, 2^108163899 is an apocalyptic number.

108163899 is a deficient number, since it is larger than the sum of its proper divisors (48072857).

108163899 is a wasteful number, since it uses less digits than its factorization.

108163899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12018217 (or 12018214 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 108163899 is about 10400.1874502338. The cubic root of 108163899 is about 476.4610951685.

It can be divided in two parts, 1081 and 63899, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 108163899 in words is "one hundred eight million, one hundred sixty-three thousand, eight hundred ninety-nine".