2133666164 has 12 divisors (see below), whose sum is σ = 4267332384. Its totient is φ = 914428344.

The previous prime is 2133666151. The next prime is 2133666169. The reversal of 2133666164 is 4616663312.

2133666164 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133666169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38101154 + ... + 38101209.

It is an arithmetic number, because the mean of its divisors is an integer number (355611032).

Almost surely, 2^2133666164 is an apocalyptic number.

It is an amenable number.

2133666164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2133666164 is a wasteful number, since it uses less digits than its factorization.

2133666164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76202374 (or 76202372 counting only the distinct ones).

The product of its digits is 93312, while the sum is 38.

The square root of 2133666164 is about 46191.6243923073. The cubic root of 2133666164 is about 1287.3861227587.

The spelling of 2133666164 in words is "two billion, one hundred thirty-three million, six hundred sixty-six thousand, one hundred sixty-four".