201002168752691 has 2 divisors, whose sum is σ = 201002168752692. Its totient is φ = 201002168752690.

The previous prime is 201002168752673. The next prime is 201002168752699. The reversal of 201002168752691 is 196257861200102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201002168752691 - 2³⁸ = 200727290845747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (201002168752699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501084376345 + 100501084376346.

It is an arithmetic number, because the mean of its divisors is an integer number (100501084376346).

Almost surely, 2^{201002168752691} is an apocalyptic number.

201002168752691 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002168752691 is an equidigital number, since it uses as much as digits as its factorization.

201002168752691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 201002168752691 in words is "two hundred one trillion, two billion, one hundred sixty-eight million, seven hundred fifty-two thousand, six hundred ninety-one".