168238486 has 24 divisors (see below), whose sum is σ = 274785480. Its totient is φ = 77216256.

The previous prime is 168238481. The next prime is 168238513. The reversal of 168238486 is 684832861.

It is a super-3 number, since 3×168238486³ (a number of 26 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168238481) 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 11 ways as a sum of consecutive naturals, for example, 63945 + ... + 66523.

It is an arithmetic number, because the mean of its divisors is an integer number (11449395).

Almost surely, 2^168238486 is an apocalyptic number.

168238486 is a deficient number, since it is larger than the sum of its proper divisors (106546994).

168238486 is a wasteful number, since it uses less digits than its factorization.

168238486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800 (or 2787 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 168238486 is about 12970.6779313959. The cubic root of 168238486 is about 552.0458089653.

The spelling of 168238486 in words is "one hundred sixty-eight million, two hundred thirty-eight thousand, four hundred eighty-six".