190555992 has 96 divisors (see below), whose sum is σ = 596166480. Its totient is φ = 54343680.

The previous prime is 190555961. The next prime is 190556011. The reversal of 190555992 is 299555091.

190555992 is a `hidden beast` number, since 1 + 9 + 0 + 5 + 559 + 92 = 666.

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, 6388 + ... + 20540.

Almost surely, 2^190555992 is an apocalyptic number.

190555992 is a gapful number since it is divisible by the number (12) 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 190555992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298083240).

190555992 is an abundant number, since it is smaller than the sum of its proper divisors (405610488).

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

190555992 is a wasteful number, since it uses less digits than its factorization.

190555992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14193 (or 14186 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 45.

The square root of 190555992 is about 13804.2019689658. The cubic root of 190555992 is about 575.4499233426.

The spelling of 190555992 in words is "one hundred ninety million, five hundred fifty-five thousand, nine hundred ninety-two".