168353742 has 32 divisors (see below), whose sum is σ = 340704000. Its totient is φ = 55456128.

The previous prime is 168353723. The next prime is 168353743. The reversal of 168353742 is 247353861.

Its product of digits (120960) is a multiple of the sum of its prime divisors (1080).

It is a self number, because there is not a number n which added to its sum of digits gives 168353742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168353743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280759 + ... + 281357.

It is an arithmetic number, because the mean of its divisors is an integer number (10647000).

Almost surely, 2^168353742 is an apocalyptic number.

168353742 is an abundant number, since it is smaller than the sum of its proper divisors (172350258).

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

168353742 is a wasteful number, since it uses less digits than its factorization.

168353742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080.

The product of its digits is 120960, while the sum is 39.

The square root of 168353742 is about 12975.1201150510. The cubic root of 168353742 is about 552.1718444702.

The spelling of 168353742 in words is "one hundred sixty-eight million, three hundred fifty-three thousand, seven hundred forty-two".