2166832727265 has 8 divisors (see below), whose sum is σ = 3466932363648. Its totient is φ = 1155644121200.

The previous prime is 2166832727221. The next prime is 2166832727281. The reversal of 2166832727265 is 5627272386612.

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

It is not a de Polignac number, because 2166832727265 - 2⁸ = 2166832727009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72227757561 + ... + 72227757590.

It is an arithmetic number, because the mean of its divisors is an integer number (433366545456).

Almost surely, 2^{2166832727265} is an apocalyptic number.

It is an amenable number.

2166832727265 is a deficient number, since it is larger than the sum of its proper divisors (1300099636383).

2166832727265 is a wasteful number, since it uses less digits than its factorization.

2166832727265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144455515159.

The product of its digits is 20321280, while the sum is 57.

The spelling of 2166832727265 in words is "two trillion, one hundred sixty-six billion, eight hundred thirty-two million, seven hundred twenty-seven thousand, two hundred sixty-five".