190800990180 has 144 divisors (see below), whose sum is σ = 600397185024. Its totient is φ = 50863438080.

The previous prime is 190800990161. The next prime is 190800990209. The reversal of 190800990180 is 81099008091.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23289885 + ... + 23298075.

It is an arithmetic number, because the mean of its divisors is an integer number (4169424896).

Almost surely, 2^190800990180 is an apocalyptic number.

190800990180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190800990180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300198592512).

190800990180 is an abundant number, since it is smaller than the sum of its proper divisors (409596194844).

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

190800990180 is a wasteful number, since it uses less digits than its factorization.

190800990180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13008 (or 12994 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 45.

The spelling of 190800990180 in words is "one hundred ninety billion, eight hundred million, nine hundred ninety thousand, one hundred eighty".