168320083 has 4 divisors (see below), whose sum is σ = 168386320. Its totient is φ = 168253848.

The previous prime is 168320081. The next prime is 168320143. The reversal of 168320083 is 380023861.

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 168320083 - 2¹ = 168320081 is a prime.

It is a super-2 number, since 2×168320083² = 56663300682253778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168320081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29148 + ... + 34441.

It is an arithmetic number, because the mean of its divisors is an integer number (42096580).

Almost surely, 2^168320083 is an apocalyptic number.

168320083 is a deficient number, since it is larger than the sum of its proper divisors (66237).

168320083 is an equidigital number, since it uses as much as digits as its factorization.

168320083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66236.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 168320083 is about 12973.8229909306. The cubic root of 168320083 is about 552.1350434055.

The spelling of 168320083 in words is "one hundred sixty-eight million, three hundred twenty thousand, eighty-three".