168753853 has 2 divisors, whose sum is σ = 168753854. Its totient is φ = 168753852.

The previous prime is 168753821. The next prime is 168753859. The reversal of 168753853 is 358357861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152448409 + 16305444 = 12347^2 + 4038^2 .

It is a cyclic number.

It is not a de Polignac number, because 168753853 - 2⁵ = 168753821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168753859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84376926 + 84376927.

It is an arithmetic number, because the mean of its divisors is an integer number (84376927).

Almost surely, 2^168753853 is an apocalyptic number.

It is an amenable number.

168753853 is a deficient number, since it is larger than the sum of its proper divisors (1).

168753853 is an equidigital number, since it uses as much as digits as its factorization.

168753853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 168753853 is about 12990.5293579592. The cubic root of 168753853 is about 552.6089305636.

The spelling of 168753853 in words is "one hundred sixty-eight million, seven hundred fifty-three thousand, eight hundred fifty-three".