202201099966 has 16 divisors (see below), whose sum is σ = 310390299648. Its totient is φ = 98738199000.

The previous prime is 202201099943. The next prime is 202201099987. The reversal of 202201099966 is 669990102202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 658521 + ... + 915451.

It is an arithmetic number, because the mean of its divisors is an integer number (19399393728).

Almost surely, 2^202201099966 is an apocalyptic number.

202201099966 is a deficient number, since it is larger than the sum of its proper divisors (108189199682).

202201099966 is a wasteful number, since it uses less digits than its factorization.

202201099966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266127.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 202201099966 in words is "two hundred two billion, two hundred one million, ninety-nine thousand, nine hundred sixty-six".