168359093 has 4 divisors (see below), whose sum is σ = 192410400. Its totient is φ = 144307788.

The previous prime is 168359069. The next prime is 168359099. The reversal of 168359093 is 390953861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 390953861 = 19 ⋅20576519.

It is a cyclic number.

It is not a de Polignac number, because 168359093 - 2²² = 164164789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168359099) by changing a digit.

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, 12025643 + ... + 12025656.

It is an arithmetic number, because the mean of its divisors is an integer number (48102600).

Almost surely, 2^168359093 is an apocalyptic number.

It is an amenable number.

168359093 is a deficient number, since it is larger than the sum of its proper divisors (24051307).

168359093 is an equidigital number, since it uses as much as digits as its factorization.

168359093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24051306.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 168359093 is about 12975.3263157425. The cubic root of 168359093 is about 552.1776945337.

The spelling of 168359093 in words is "one hundred sixty-eight million, three hundred fifty-nine thousand, ninety-three".