168242847 has 8 divisors (see below), whose sum is σ = 224454144. Its totient is φ = 112096728.

The previous prime is 168242843. The next prime is 168242857. The reversal of 168242847 is 748242861.

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

It is not a de Polignac number, because 168242847 - 2² = 168242843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168242799 and 168242808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168242843) 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, 9913 + ... + 20850.

It is an arithmetic number, because the mean of its divisors is an integer number (28056768).

Almost surely, 2^168242847 is an apocalyptic number.

168242847 is a deficient number, since it is larger than the sum of its proper divisors (56211297).

168242847 is a wasteful number, since it uses less digits than its factorization.

168242847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32589.

The product of its digits is 172032, while the sum is 42.

The square root of 168242847 is about 12970.8460402550. The cubic root of 168242847 is about 552.0505788825.

The spelling of 168242847 in words is "one hundred sixty-eight million, two hundred forty-two thousand, eight hundred forty-seven".