190404166 has 8 divisors (see below), whose sum is σ = 298023984. Its totient is φ = 91062840.

The previous prime is 190404161. The next prime is 190404167. The reversal of 190404166 is 661404091.

190404166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190404161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2069565 + ... + 2069656.

It is an arithmetic number, because the mean of its divisors is an integer number (37252998).

Almost surely, 2^190404166 is an apocalyptic number.

190404166 is a deficient number, since it is larger than the sum of its proper divisors (107619818).

190404166 is a wasteful number, since it uses less digits than its factorization.

190404166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4139246.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 190404166 is about 13798.7016055859. The cubic root of 190404166 is about 575.2970523097.

The spelling of 190404166 in words is "one hundred ninety million, four hundred four thousand, one hundred sixty-six".