200196661601 has 2 divisors, whose sum is σ = 200196661602. Its totient is φ = 200196661600.

The previous prime is 200196661591. The next prime is 200196661703. The reversal of 200196661601 is 106166691002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163131171025 + 37065490576 = 403895^2 + 192524^2 .

It is a cyclic number.

It is not a de Polignac number, because 200196661601 - 2¹⁰ = 200196660577 is a prime.

It is not a weakly prime, because it can be changed into another prime (200196661001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100098330800 + 100098330801.

It is an arithmetic number, because the mean of its divisors is an integer number (100098330801).

Almost surely, 2^200196661601 is an apocalyptic number.

It is an amenable number.

200196661601 is a deficient number, since it is larger than the sum of its proper divisors (1).

200196661601 is an equidigital number, since it uses as much as digits as its factorization.

200196661601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 200196661601 in words is "two hundred billion, one hundred ninety-six million, six hundred sixty-one thousand, six hundred one".