168316229003 has 4 divisors (see below), whose sum is σ = 181263631248. Its totient is φ = 155368826760.

The previous prime is 168316228987. The next prime is 168316229057. The reversal of 168316229003 is 300922613861.

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 168316229003 - 2⁴ = 168316228987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168316229083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6473701103 + ... + 6473701128.

It is an arithmetic number, because the mean of its divisors is an integer number (45315907812).

Almost surely, 2^168316229003 is an apocalyptic number.

168316229003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

168316229003 is a deficient number, since it is larger than the sum of its proper divisors (12947402245).

168316229003 is a wasteful number, since it uses less digits than its factorization.

168316229003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12947402244.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 168316229003 in words is "one hundred sixty-eight billion, three hundred sixteen million, two hundred twenty-nine thousand, three".