868181682 has 8 divisors (see below), whose sum is σ = 1736363376. Its totient is φ = 289393892.

The previous prime is 868181663. The next prime is 868181689. The reversal of 868181682 is 286181868.

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

868181682 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (868181689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72348468 + ... + 72348479.

It is an arithmetic number, because the mean of its divisors is an integer number (217045422).

Almost surely, 2^868181682 is an apocalyptic number.

868181682 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.

868181682 is a wasteful number, since it uses less digits than its factorization.

868181682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144696952.

The product of its digits is 294912, while the sum is 48.

The square root of 868181682 is about 29464.9229084347. The cubic root of 868181682 is about 953.9747344196.

The spelling of 868181682 in words is "eight hundred sixty-eight million, one hundred eighty-one thousand, six hundred eighty-two".