2236136166 has 64 divisors (see below), whose sum is σ = 5427440640. Its totient is φ = 676804320.

The previous prime is 2236136141. The next prime is 2236136171. The reversal of 2236136166 is 6616316322.

2236136166 is a `hidden beast` number, since 2 + 2 + 36 + 1 + 3 + 616 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 2236136166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653476 + ... + 656888.

It is an arithmetic number, because the mean of its divisors is an integer number (84803760).

Almost surely, 2^2236136166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2236136166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2713720320).

2236136166 is an abundant number, since it is smaller than the sum of its proper divisors (3191304474).

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

2236136166 is a wasteful number, since it uses less digits than its factorization.

2236136166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538 (or 4532 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 2236136166 is about 47287.8014502683. The cubic root of 2236136166 is about 1307.6737781690.

The spelling of 2236136166 in words is "two billion, two hundred thirty-six million, one hundred thirty-six thousand, one hundred sixty-six".