2166038548 has 12 divisors (see below), whose sum is σ = 3791263840. Its totient is φ = 1082820312.

The previous prime is 2166038533. The next prime is 2166038573. The reversal of 2166038548 is 8458306612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23736 + ... + 69967.

Almost surely, 2^2166038548 is an apocalyptic number.

It is an amenable number.

2166038548 is a deficient number, since it is larger than the sum of its proper divisors (1625225292).

2166038548 is a wasteful number, since it uses less digits than its factorization.

2166038548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99486 (or 99484 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 2166038548 is about 46540.7192466984. The cubic root of 2166038548 is about 1293.8642911221.

The spelling of 2166038548 in words is "two billion, one hundred sixty-six million, thirty-eight thousand, five hundred forty-eight".