168735632341 has 2 divisors, whose sum is σ = 168735632342. Its totient is φ = 168735632340.

The previous prime is 168735632311. The next prime is 168735632353. The reversal of 168735632341 is 143236537861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163042326225 + 5693306116 = 403785^2 + 75454^2 .

It is a cyclic number.

It is not a de Polignac number, because 168735632341 - 2²⁵ = 168702077909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168735632311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84367816170 + 84367816171.

It is an arithmetic number, because the mean of its divisors is an integer number (84367816171).

Almost surely, 2^168735632341 is an apocalyptic number.

It is an amenable number.

168735632341 is a deficient number, since it is larger than the sum of its proper divisors (1).

168735632341 is an equidigital number, since it uses as much as digits as its factorization.

168735632341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 49.

The spelling of 168735632341 in words is "one hundred sixty-eight billion, seven hundred thirty-five million, six hundred thirty-two thousand, three hundred forty-one".