201093666 has 16 divisors (see below), whose sum is σ = 408190944. Its totient is φ = 66030624.

The previous prime is 201093661. The next prime is 201093667. The reversal of 201093666 is 666390102.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201093661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249715 + ... + 250518.

It is an arithmetic number, because the mean of its divisors is an integer number (25511934).

Almost surely, 2^201093666 is an apocalyptic number.

201093666 is an abundant number, since it is smaller than the sum of its proper divisors (207097278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201093666 is a wasteful number, since it uses less digits than its factorization.

201093666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500305.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 201093666 is about 14180.7498391305. The cubic root of 201093666 is about 585.8675767668.

The spelling of 201093666 in words is "two hundred one million, ninety-three thousand, six hundred sixty-six".