190968906 has 16 divisors (see below), whose sum is σ = 382498848. Its totient is φ = 63562800.

The previous prime is 190968893. The next prime is 190968907. The reversal of 190968906 is 609869091.

190968906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (190968907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18885 + ... + 27176.

It is an arithmetic number, because the mean of its divisors is an integer number (23906178).

Almost surely, 2^190968906 is an apocalyptic number.

190968906 is an abundant number, since it is smaller than the sum of its proper divisors (191529942).

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

190968906 is a wasteful number, since it uses less digits than its factorization.

190968906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46757.

The product of its (nonzero) digits is 209952, while the sum is 48.

The square root of 190968906 is about 13819.1499738587. The cubic root of 190968906 is about 575.8652691727.

The spelling of 190968906 in words is "one hundred ninety million, nine hundred sixty-eight thousand, nine hundred six".