168199033 has 2 divisors, whose sum is σ = 168199034. Its totient is φ = 168199032.

The previous prime is 168199027. The next prime is 168199061. The reversal of 168199033 is 330991861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152102889 + 16096144 = 12333^2 + 4012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168199033 is a prime.

It is not a weakly prime, because it can be changed into another prime (168199133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84099516 + 84099517.

It is an arithmetic number, because the mean of its divisors is an integer number (84099517).

Almost surely, 2^168199033 is an apocalyptic number.

It is an amenable number.

168199033 is a deficient number, since it is larger than the sum of its proper divisors (1).

168199033 is an equidigital number, since it uses as much as digits as its factorization.

168199033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 168199033 is about 12969.1569887946. The cubic root of 168199033 is about 552.0026528350.

It can be divided in two parts, 16819 and 9033, that added together give a palindrome (25852).

The spelling of 168199033 in words is "one hundred sixty-eight million, one hundred ninety-nine thousand, thirty-three".