168999003 has 12 divisors (see below), whose sum is σ = 245188008. Its totient is φ = 112168320.

The previous prime is 168998993. The next prime is 168999031. The reversal of 168999003 is 300999861.

It is not a de Polignac number, because 168999003 - 2⁵ = 168998971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168999003.

It is not an unprimeable number, because it can be changed into a prime (168999043) 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 11 ways as a sum of consecutive naturals, for example, 39318 + ... + 43403.

It is an arithmetic number, because the mean of its divisors is an integer number (20432334).

Almost surely, 2^168999003 is an apocalyptic number.

168999003 is a deficient number, since it is larger than the sum of its proper divisors (76189005).

168999003 is a wasteful number, since it uses less digits than its factorization.

168999003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82954 (or 82951 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The square root of 168999003 is about 12999.9616537896. The cubic root of 168999003 is about 552.8763941491.

The spelling of 168999003 in words is "one hundred sixty-eight million, nine hundred ninety-nine thousand, three".