2166152444 has 12 divisors (see below), whose sum is σ = 4013753184. Its totient is φ = 1019365824.

The previous prime is 2166152441. The next prime is 2166152459. The reversal of 2166152444 is 4442516612.

2166152444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2166152441) 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, 15927524 + ... + 15927659.

It is an arithmetic number, because the mean of its divisors is an integer number (334479432).

Almost surely, 2^2166152444 is an apocalyptic number.

It is an amenable number.

2166152444 is a deficient number, since it is larger than the sum of its proper divisors (1847600740).

2166152444 is a wasteful number, since it uses less digits than its factorization.

2166152444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31855204 (or 31855202 counting only the distinct ones).

The product of its digits is 46080, while the sum is 35.

The square root of 2166152444 is about 46541.9428472856. The cubic root of 2166152444 is about 1293.8869689864.

The spelling of 2166152444 in words is "two billion, one hundred sixty-six million, one hundred fifty-two thousand, four hundred forty-four".