2166832727267 has 4 divisors (see below), whose sum is σ = 2333512167840. Its totient is φ = 2000153286696.

The previous prime is 2166832727221. The next prime is 2166832727281. The reversal of 2166832727267 is 7627272386612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2166832727267 - 2³⁴ = 2149652858083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2166832721267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83339720267 + ... + 83339720292.

It is an arithmetic number, because the mean of its divisors is an integer number (583378041960).

Almost surely, 2^{2166832727267} is an apocalyptic number.

2166832727267 is a deficient number, since it is larger than the sum of its proper divisors (166679440573).

2166832727267 is a wasteful number, since it uses less digits than its factorization.

2166832727267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166679440572.

The product of its digits is 28449792, while the sum is 59.

The spelling of 2166832727267 in words is "two trillion, one hundred sixty-six billion, eight hundred thirty-two million, seven hundred twenty-seven thousand, two hundred sixty-seven".