201766245422 has 24 divisors (see below), whose sum is σ = 363418338240. Its totient is φ = 83681851680.

The previous prime is 201766245409. The next prime is 201766245487. The reversal of 201766245422 is 224542667102.

201766245422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201766245422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33204047 + ... + 33210122.

It is an arithmetic number, because the mean of its divisors is an integer number (15142430760).

Almost surely, 2^201766245422 is an apocalyptic number.

201766245422 is a deficient number, since it is larger than the sum of its proper divisors (161652092818).

201766245422 is a wasteful number, since it uses less digits than its factorization.

201766245422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66414216 (or 66414209 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 201766245422 in words is "two hundred one billion, seven hundred sixty-six million, two hundred forty-five thousand, four hundred twenty-two".