190936866 has 8 divisors (see below), whose sum is σ = 381873744. Its totient is φ = 63645620.

The previous prime is 190936859. The next prime is 190936897. The reversal of 190936866 is 668639091.

190936866 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.

190936866 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15911400 + ... + 15911411.

It is an arithmetic number, because the mean of its divisors is an integer number (47734218).

Almost surely, 2^190936866 is an apocalyptic number.

190936866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

190936866 is a wasteful number, since it uses less digits than its factorization.

190936866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31822816.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 190936866 is about 13817.9906643477. The cubic root of 190936866 is about 575.8330619134.

The spelling of 190936866 in words is "one hundred ninety million, nine hundred thirty-six thousand, eight hundred sixty-six".