190658868 has 24 divisors (see below), whose sum is σ = 464213568. Its totient is φ = 60789696.

The previous prime is 190658849. The next prime is 190658873. The reversal of 190658868 is 868856091.

It is a self number, because there is not a number n which added to its sum of digits gives 190658868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345121 + ... + 345672.

It is an arithmetic number, because the mean of its divisors is an integer number (19342232).

Almost surely, 2^190658868 is an apocalyptic number.

It is an amenable number.

190658868 is an abundant number, since it is smaller than the sum of its proper divisors (273554700).

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

190658868 is a wasteful number, since it uses less digits than its factorization.

190658868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690823 (or 690821 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 190658868 is about 13807.9277228699. The cubic root of 190658868 is about 575.5534613026.

The spelling of 190658868 in words is "one hundred ninety million, six hundred fifty-eight thousand, eight hundred sixty-eight".