168885542 has 8 divisors (see below), whose sum is σ = 289518096. Its totient is φ = 72379512.

The previous prime is 168885533. The next prime is 168885557. The reversal of 168885542 is 245588861.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6031613 + ... + 6031640.

It is an arithmetic number, because the mean of its divisors is an integer number (36189762).

Almost surely, 2^168885542 is an apocalyptic number.

168885542 is a deficient number, since it is larger than the sum of its proper divisors (120632554).

168885542 is a wasteful number, since it uses less digits than its factorization.

168885542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12063262.

The product of its digits is 614400, while the sum is 47.

The square root of 168885542 is about 12995.5970236076. The cubic root of 168885542 is about 552.7526380893.

The spelling of 168885542 in words is "one hundred sixty-eight million, eight hundred eighty-five thousand, five hundred forty-two".