168286994 has 8 divisors (see below), whose sum is σ = 253134720. Its totient is φ = 83908756.

The previous prime is 168286981. The next prime is 168286997. The reversal of 168286994 is 499682861.

It is a happy number.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (168286997) by changing a digit.

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, 116474 + ... + 117909.

It is an arithmetic number, because the mean of its divisors is an integer number (31641840).

Almost surely, 2^168286994 is an apocalyptic number.

168286994 is a deficient number, since it is larger than the sum of its proper divisors (84847726).

168286994 is a wasteful number, since it uses less digits than its factorization.

168286994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234744.

The product of its digits is 1492992, while the sum is 53.

The square root of 168286994 is about 12972.5477065995. The cubic root of 168286994 is about 552.0988607678.

The spelling of 168286994 in words is "one hundred sixty-eight million, two hundred eighty-six thousand, nine hundred ninety-four".