189811682 has 8 divisors (see below), whose sum is σ = 284809152. Its totient is φ = 94875300.

The previous prime is 189811631. The next prime is 189811711. The reversal of 189811682 is 286118981.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6494 + ... + 20537.

It is an arithmetic number, because the mean of its divisors is an integer number (35601144).

Almost surely, 2^189811682 is an apocalyptic number.

189811682 is a deficient number, since it is larger than the sum of its proper divisors (94997470).

189811682 is a wasteful number, since it uses less digits than its factorization.

189811682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30544.

The product of its digits is 55296, while the sum is 44.

The square root of 189811682 is about 13777.2160467926. The cubic root of 189811682 is about 574.6997116355.

The spelling of 189811682 in words is "one hundred eighty-nine million, eight hundred eleven thousand, six hundred eighty-two".