190478168 has 8 divisors (see below), whose sum is σ = 357146580. Its totient is φ = 95239080.

The previous prime is 190478159. The next prime is 190478191. The reversal of 190478168 is 861874091.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11904878 + ... + 11904893.

Almost surely, 2^190478168 is an apocalyptic number.

It is an amenable number.

190478168 is a deficient number, since it is larger than the sum of its proper divisors (166668412).

190478168 is a wasteful number, since it uses less digits than its factorization.

190478168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23809777 (or 23809773 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 190478168 is about 13801.3828292675. The cubic root of 190478168 is about 575.3715738202.

The spelling of 190478168 in words is "one hundred ninety million, four hundred seventy-eight thousand, one hundred sixty-eight".