2133054666 has 12 divisors (see below), whose sum is σ = 4621618482. Its totient is φ = 711018216.

The previous prime is 2133054641. The next prime is 2133054697. The reversal of 2133054666 is 6664503312.

It can be written as a sum of positive squares in only one way, i.e., 2133054225 + 441 = 46185^2 + 21^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2133054666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59251501 + ... + 59251536.

Almost surely, 2^2133054666 is an apocalyptic number.

2133054666 is an abundant number, since it is smaller than the sum of its proper divisors (2488563816).

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

2133054666 is a wasteful number, since it uses less digits than its factorization.

2133054666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118503045 (or 118503042 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2133054666 is about 46185.0047742771. The cubic root of 2133054666 is about 1287.2631248767.

Adding to 2133054666 its reverse (6664503312), we get a palindrome (8797557978).

The spelling of 2133054666 in words is "two billion, one hundred thirty-three million, fifty-four thousand, six hundred sixty-six".