168920682 has 32 divisors (see below), whose sum is σ = 389937024. Its totient is φ = 47784000.

The previous prime is 168920677. The next prime is 168920683. The reversal of 168920682 is 286029861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (168920683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15669 + ... + 24152.

It is an arithmetic number, because the mean of its divisors is an integer number (12185532).

Almost surely, 2^168920682 is an apocalyptic number.

168920682 is an abundant number, since it is smaller than the sum of its proper divisors (221016342).

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

168920682 is a wasteful number, since it uses less digits than its factorization.

168920682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39934.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 168920682 is about 12996.9489496574. The cubic root of 168920682 is about 552.7909724951.

The spelling of 168920682 in words is "one hundred sixty-eight million, nine hundred twenty thousand, six hundred eighty-two".