108561950 has 72 divisors (see below), whose sum is σ = 238502592. Its totient is φ = 36650880.

The previous prime is 108561931. The next prime is 108561961. The reversal of 108561950 is 59165801.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 108561950.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 178547 + ... + 179153.

It is an arithmetic number, because the mean of its divisors is an integer number (3312536).

Almost surely, 2^108561950 is an apocalyptic number.

108561950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108561950 is an abundant number, since it is smaller than the sum of its proper divisors (129940642).

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

108561950 is a wasteful number, since it uses less digits than its factorization.

108561950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 108561950 is about 10419.3065988097. The cubic root of 108561950 is about 477.0448501384.

The spelling of 108561950 in words is "one hundred eight million, five hundred sixty-one thousand, nine hundred fifty".