168264601 has 2 divisors, whose sum is σ = 168264602. Its totient is φ = 168264600.

The previous prime is 168264599. The next prime is 168264631. The reversal of 168264601 is 106462861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132802576 + 35462025 = 11524^2 + 5955^2 .

It is an emirp because it is prime and its reverse (106462861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168264601 - 2¹ = 168264599 is a prime.

Together with 168264599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (168264631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84132300 + 84132301.

It is an arithmetic number, because the mean of its divisors is an integer number (84132301).

Almost surely, 2^168264601 is an apocalyptic number.

It is an amenable number.

168264601 is a deficient number, since it is larger than the sum of its proper divisors (1).

168264601 is an equidigital number, since it uses as much as digits as its factorization.

168264601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 168264601 is about 12971.6845860513. The cubic root of 168264601 is about 552.0743714556.

The spelling of 168264601 in words is "one hundred sixty-eight million, two hundred sixty-four thousand, six hundred one".