108990162 has 48 divisors (see below), whose sum is σ = 250993080. Its totient is φ = 34062336.

The previous prime is 108990157. The next prime is 108990163. The reversal of 108990162 is 261099801.

It can be written as a sum of positive squares in 4 ways, for example, as 93141801 + 15848361 = 9651^2 + 3981^2 .

It is not an unprimeable number, because it can be changed into a prime (108990163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107514 + ... + 108522.

Almost surely, 2^108990162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108990162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125496540).

108990162 is an abundant number, since it is smaller than the sum of its proper divisors (142002918).

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

108990162 is a wasteful number, since it uses less digits than its factorization.

108990162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 108990162 is about 10439.8353435291. The cubic root of 108990162 is about 477.6712461998.

The spelling of 108990162 in words is "one hundred eight million, nine hundred ninety thousand, one hundred sixty-two".