168669078 has 16 divisors (see below), whose sum is σ = 348220416. Its totient is φ = 54409320.

The previous prime is 168669037. The next prime is 168669079. The reversal of 168669078 is 870966861.

It is a happy number.

168669078 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 168669078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168669079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453226 + ... + 453597.

It is an arithmetic number, because the mean of its divisors is an integer number (21763776).

Almost surely, 2^168669078 is an apocalyptic number.

168669078 is an abundant number, since it is smaller than the sum of its proper divisors (179551338).

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

168669078 is a wasteful number, since it uses less digits than its factorization.

168669078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906859.

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 168669078 is about 12987.2659940420. The cubic root of 168669078 is about 552.5163790589.

The spelling of 168669078 in words is "one hundred sixty-eight million, six hundred sixty-nine thousand, seventy-eight".