83601668701 has 2 divisors, whose sum is σ = 83601668702. Its totient is φ = 83601668700.

The previous prime is 83601668573. The next prime is 83601668719. The reversal of 83601668701 is 10786610638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77714943076 + 5886725625 = 278774^2 + 76725^2 .

It is a cyclic number.

It is not a de Polignac number, because 83601668701 - 2⁷ = 83601668573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83601668771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41800834350 + 41800834351.

It is an arithmetic number, because the mean of its divisors is an integer number (41800834351).

Almost surely, 2^83601668701 is an apocalyptic number.

It is an amenable number.

83601668701 is a deficient number, since it is larger than the sum of its proper divisors (1).

83601668701 is an equidigital number, since it uses as much as digits as its factorization.

83601668701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 83601668701 in words is "eighty-three billion, six hundred one million, six hundred sixty-eight thousand, seven hundred one".