168979429 has 8 divisors (see below), whose sum is σ = 174192768. Its totient is φ = 163833600.

The previous prime is 168979411. The next prime is 168979463. The reversal of 168979429 is 924979861.

168979429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 168979429 - 2¹⁷ = 168848357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 168979429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168973429) 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, 11772 + ... + 21829.

It is an arithmetic number, because the mean of its divisors is an integer number (21774096).

Almost surely, 2^168979429 is an apocalyptic number.

It is an amenable number.

168979429 is a deficient number, since it is larger than the sum of its proper divisors (5213339).

168979429 is a wasteful number, since it uses less digits than its factorization.

168979429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33755.

The product of its digits is 1959552, while the sum is 55.

The square root of 168979429 is about 12999.2087836145. The cubic root of 168979429 is about 552.8550480264.

It can be divided in two parts, 1689 and 79429, that added together give a palindrome (81118).

The spelling of 168979429 in words is "one hundred sixty-eight million, nine hundred seventy-nine thousand, four hundred twenty-nine".