2166683123 has 8 divisors (see below), whose sum is σ = 2364717936. Its totient is φ = 1968825600.

The previous prime is 2166683059. The next prime is 2166683147. The reversal of 2166683123 is 3213866612.

2166683123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2166683123 - 2⁶ = 2166683059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2166683153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18086 + ... + 68267.

It is an arithmetic number, because the mean of its divisors is an integer number (295589742).

Almost surely, 2^2166683123 is an apocalyptic number.

2166683123 is a deficient number, since it is larger than the sum of its proper divisors (198034813).

2166683123 is a wasteful number, since it uses less digits than its factorization.

2166683123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88645.

The product of its digits is 62208, while the sum is 38.

The square root of 2166683123 is about 46547.6435816036. The cubic root of 2166683123 is about 1293.9926221503.

The spelling of 2166683123 in words is "two billion, one hundred sixty-six million, six hundred eighty-three thousand, one hundred twenty-three".