201836668 has 48 divisors (see below), whose sum is σ = 398369664. Its totient is φ = 88683840.

The previous prime is 201836651. The next prime is 201836669. The reversal of 201836668 is 866638102.

It is a self number, because there is not a number n which added to its sum of digits gives 201836668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201836669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201946 + ... + 202942.

It is an arithmetic number, because the mean of its divisors is an integer number (8299368).

Almost surely, 2^201836668 is an apocalyptic number.

It is an amenable number.

201836668 is a deficient number, since it is larger than the sum of its proper divisors (196532996).

201836668 is a wasteful number, since it uses less digits than its factorization.

201836668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 201836668 is about 14206.9232418564. The cubic root of 201836668 is about 586.5882455152.

The spelling of 201836668 in words is "two hundred one million, eight hundred thirty-six thousand, six hundred sixty-eight".