168013383 has 4 divisors (see below), whose sum is σ = 224017848. Its totient is φ = 112008920.

The previous prime is 168013381. The next prime is 168013403. The reversal of 168013383 is 383310861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 168013383 - 2¹ = 168013381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168013381) 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, 28002228 + ... + 28002233.

It is an arithmetic number, because the mean of its divisors is an integer number (56004462).

Almost surely, 2^168013383 is an apocalyptic number.

168013383 is a deficient number, since it is larger than the sum of its proper divisors (56004465).

168013383 is an equidigital number, since it uses as much as digits as its factorization.

168013383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56004464.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 168013383 is about 12961.9976469678. The cubic root of 168013383 is about 551.7994867452.

The spelling of 168013383 in words is "one hundred sixty-eight million, thirteen thousand, three hundred eighty-three".