190118790 has 48 divisors (see below), whose sum is σ = 496864368. Its totient is φ = 50436288.

The previous prime is 190118783. The next prime is 190118801. The reversal of 190118790 is 97811091.

It is a super-2 number, since 2×190118790² = 72290308622128200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12369 + ... + 23091.

It is an arithmetic number, because the mean of its divisors is an integer number (10351341).

Almost surely, 2^190118790 is an apocalyptic number.

190118790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 190118790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248432184).

190118790 is an abundant number, since it is smaller than the sum of its proper divisors (306745578).

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

190118790 is a wasteful number, since it uses less digits than its factorization.

190118790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10933 (or 10930 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 190118790 is about 13788.3570449855. The cubic root of 190118790 is about 575.0094919668.

The spelling of 190118790 in words is "one hundred ninety million, one hundred eighteen thousand, seven hundred ninety".