2166874706 has 16 divisors (see below), whose sum is σ = 3448376064. Its totient is φ = 1017670464.

The previous prime is 2166874691. The next prime is 2166874709. The reversal of 2166874706 is 6074786612.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2166874709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46250 + ... + 80453.

It is an arithmetic number, because the mean of its divisors is an integer number (215523504).

Almost surely, 2^2166874706 is an apocalyptic number.

2166874706 is a deficient number, since it is larger than the sum of its proper divisors (1281501358).

2166874706 is a wasteful number, since it uses less digits than its factorization.

2166874706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127225.

The product of its (nonzero) digits is 677376, while the sum is 47.

The square root of 2166874706 is about 46549.7014598375. The cubic root of 2166874706 is about 1294.0307602733.

The spelling of 2166874706 in words is "two billion, one hundred sixty-six million, eight hundred seventy-four thousand, seven hundred six".