20167003536817 has 2 divisors, whose sum is σ = 20167003536818. Its totient is φ = 20167003536816.

The previous prime is 20167003536811. The next prime is 20167003536821. The reversal of 20167003536817 is 71863530076102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15083583970081 + 5083419566736 = 3883759^2 + 2254644^2 .

It is a cyclic number.

It is not a de Polignac number, because 20167003536817 - 2³ = 20167003536809 is a prime.

It is not a weakly prime, because it can be changed into another prime (20167003536811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10083501768408 + 10083501768409.

It is an arithmetic number, because the mean of its divisors is an integer number (10083501768409).

Almost surely, 2^{20167003536817} is an apocalyptic number.

It is an amenable number.

20167003536817 is a deficient number, since it is larger than the sum of its proper divisors (1).

20167003536817 is an equidigital number, since it uses as much as digits as its factorization.

20167003536817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 20167003536817 in words is "twenty trillion, one hundred sixty-seven billion, three million, five hundred thirty-six thousand, eight hundred seventeen".