168357243 has 8 divisors (see below), whose sum is σ = 229252608. Its totient is φ = 109850024.

The previous prime is 168357229. The next prime is 168357253. The reversal of 168357243 is 342753861.

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 168357243 - 2⁴ = 168357227 is a prime.

It is a super-2 number, since 2×168357243² = 56688322541122098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (168357253) 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, 596871 + ... + 597152.

It is an arithmetic number, because the mean of its divisors is an integer number (28656576).

Almost surely, 2^168357243 is an apocalyptic number.

168357243 is a deficient number, since it is larger than the sum of its proper divisors (60895365).

168357243 is a wasteful number, since it uses less digits than its factorization.

168357243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1194073.

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

The square root of 168357243 is about 12975.2550263954. The cubic root of 168357243 is about 552.1756720066.

The spelling of 168357243 in words is "one hundred sixty-eight million, three hundred fifty-seven thousand, two hundred forty-three".