168100003 has 2 divisors, whose sum is σ = 168100004. Its totient is φ = 168100002.

The previous prime is 168099989. The next prime is 168100007. The reversal of 168100003 is 300001861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168100003 - 2²⁵ = 134545571 is a prime.

It is a super-2 number, since 2×168100003² = 56515222017200018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (168100007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84050001 + 84050002.

It is an arithmetic number, because the mean of its divisors is an integer number (84050002).

Almost surely, 2^168100003 is an apocalyptic number.

168100003 is a deficient number, since it is larger than the sum of its proper divisors (1).

168100003 is an equidigital number, since it uses as much as digits as its factorization.

168100003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 168100003 is about 12965.3385223834. The cubic root of 168100003 is about 551.8942979622.

Adding to 168100003 its reverse (300001861), we get a palindrome (468101864).

The spelling of 168100003 in words is "one hundred sixty-eight million, one hundred thousand, three".