868158904194 has 48 divisors (see below), whose sum is σ = 1924917700992. Its totient is φ = 282632553504.

The previous prime is 868158904187. The next prime is 868158904213. The reversal of 868158904194 is 491409851868.

868158904194 is a `hidden beast` number, since 8 + 6 + 8 + 1 + 589 + 0 + 41 + 9 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10720584 + ... + 10801260.

It is an arithmetic number, because the mean of its divisors is an integer number (40102452104).

Almost surely, 2^868158904194 is an apocalyptic number.

868158904194 is an abundant number, since it is smaller than the sum of its proper divisors (1056758796798).

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

868158904194 is a wasteful number, since it uses less digits than its factorization.

868158904194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94631 (or 94628 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The spelling of 868158904194 in words is "eight hundred sixty-eight billion, one hundred fifty-eight million, nine hundred four thousand, one hundred ninety-four".