189220230108 has 108 divisors (see below), whose sum is σ = 591919827408. Its totient is φ = 49904225280.

The previous prime is 189220230091. The next prime is 189220230137. The reversal of 189220230108 is 801032022981.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2178933 + ... + 2264108.

Almost surely, 2^189220230108 is an apocalyptic number.

189220230108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

189220230108 is an abundant number, since it is smaller than the sum of its proper divisors (402699597300).

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

189220230108 is a wasteful number, since it uses less digits than its factorization.

189220230108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443084 (or 4443066 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 189220230108 in words is "one hundred eighty-nine billion, two hundred twenty million, two hundred thirty thousand, one hundred eight".