190666666092 has 96 divisors (see below), whose sum is σ = 509677056000. Its totient is φ = 54344324160.

The previous prime is 190666666087. The next prime is 190666666093. The reversal of 190666666092 is 290666666091.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (190666666093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104131617 + ... + 104133447.

It is an arithmetic number, because the mean of its divisors is an integer number (5309136000).

Almost surely, 2^190666666092 is an apocalyptic number.

190666666092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

190666666092 is an abundant number, since it is smaller than the sum of its proper divisors (319010389908).

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

190666666092 is a wasteful number, since it uses less digits than its factorization.

190666666092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4171 (or 4169 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 57.

Subtracting 190666666092 from its reverse (290666666091), we obtain a palindrome (99999999999).

The spelling of 190666666092 in words is "one hundred ninety billion, six hundred sixty-six million, six hundred sixty-six thousand, ninety-two".