168612606301 has 2 divisors, whose sum is σ = 168612606302. Its totient is φ = 168612606300.

The previous prime is 168612606299. The next prime is 168612606373. The reversal of 168612606301 is 103606216861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166606014276 + 2006592025 = 408174^2 + 44795^2 .

It is a cyclic number.

It is not a de Polignac number, because 168612606301 - 2¹ = 168612606299 is a prime.

It is a super-2 number, since 2×168612606301² (a number of 23 digits) contains 22 as substring.

Together with 168612606299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168612606391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84306303150 + 84306303151.

It is an arithmetic number, because the mean of its divisors is an integer number (84306303151).

Almost surely, 2^168612606301 is an apocalyptic number.

It is an amenable number.

168612606301 is a deficient number, since it is larger than the sum of its proper divisors (1).

168612606301 is an equidigital number, since it uses as much as digits as its factorization.

168612606301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 168612606301 in words is "one hundred sixty-eight billion, six hundred twelve million, six hundred six thousand, three hundred one".