68516801 has 2 divisors, whose sum is σ = 68516802. Its totient is φ = 68516800.

The previous prime is 68516761. The next prime is 68516837. The reversal of 68516801 is 10861586.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50069776 + 18447025 = 7076^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 68516801 - 2²⁶ = 1407937 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68516101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34258400 + 34258401.

It is an arithmetic number, because the mean of its divisors is an integer number (34258401).

Almost surely, 2^68516801 is an apocalyptic number.

It is an amenable number.

68516801 is a deficient number, since it is larger than the sum of its proper divisors (1).

68516801 is an equidigital number, since it uses as much as digits as its factorization.

68516801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 68516801 is about 8277.4876019237. The cubic root of 68516801 is about 409.1969229639.

The spelling of 68516801 in words is "sixty-eight million, five hundred sixteen thousand, eight hundred one".