168772103 has 2 divisors, whose sum is σ = 168772104. Its totient is φ = 168772102.

The previous prime is 168772061. The next prime is 168772139. The reversal of 168772103 is 301277861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 168772103 - 2¹² = 168768007 is a prime.

It is a Chen prime.

It is equal to p_9438182 and since 168772103 and 9438182 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168772603) 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 as a sum of consecutive naturals, namely, 84386051 + 84386052.

It is an arithmetic number, because the mean of its divisors is an integer number (84386052).

Almost surely, 2^168772103 is an apocalyptic number.

168772103 is a deficient number, since it is larger than the sum of its proper divisors (1).

168772103 is an equidigital number, since it uses as much as digits as its factorization.

168772103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 168772103 is about 12991.2317737773. The cubic root of 168772103 is about 552.6288506015.

The spelling of 168772103 in words is "one hundred sixty-eight million, seven hundred seventy-two thousand, one hundred three".