108161922 has 32 divisors (see below), whose sum is σ = 249873984. Its totient is φ = 30848000.

The previous prime is 108161903. The next prime is 108161947. The reversal of 108161922 is 229161801.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 108161922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47079 + ... + 49322.

It is an arithmetic number, because the mean of its divisors is an integer number (7808562).

Almost surely, 2^108161922 is an apocalyptic number.

108161922 is an abundant number, since it is smaller than the sum of its proper divisors (141712062).

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

108161922 is a wasteful number, since it uses less digits than its factorization.

108161922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96434.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 108161922 is about 10400.0924034357. The cubic root of 108161922 is about 476.4581922611.

The spelling of 108161922 in words is "one hundred eight million, one hundred sixty-one thousand, nine hundred twenty-two".