2133666272 has 24 divisors (see below), whose sum is σ = 4314189096. Its totient is φ = 1037999232.

The previous prime is 2133666253. The next prime is 2133666287. The reversal of 2133666272 is 2726663312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899858 + ... + 902225.

It is an arithmetic number, because the mean of its divisors is an integer number (179757879).

Almost surely, 2^2133666272 is an apocalyptic number.

It is an amenable number.

2133666272 is an abundant number, since it is smaller than the sum of its proper divisors (2180522824).

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

2133666272 is a wasteful number, since it uses less digits than its factorization.

2133666272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802130 (or 1802122 counting only the distinct ones).

The product of its digits is 108864, while the sum is 38.

The square root of 2133666272 is about 46191.6255613504. The cubic root of 2133666272 is about 1287.3861444799.

The spelling of 2133666272 in words is "two billion, one hundred thirty-three million, six hundred sixty-six thousand, two hundred seventy-two".