2605166277293 has 16 divisors (see below), whose sum is σ = 2621099970480. Its totient is φ = 2589287579136.

The previous prime is 2605166277289. The next prime is 2605166277317. The reversal of 2605166277293 is 3927726615062.

2605166277293 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 652990054084 + 1952176223209 = 808078^2 + 1397203^2 .

It is a cyclic number.

It is not a de Polignac number, because 2605166277293 - 2² = 2605166277289 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605166270293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204208271 + ... + 204221027.

It is an arithmetic number, because the mean of its divisors is an integer number (163818748155).

Almost surely, 2^{2605166277293} is an apocalyptic number.

It is an amenable number.

2605166277293 is a deficient number, since it is larger than the sum of its proper divisors (15933693187).

2605166277293 is a wasteful number, since it uses less digits than its factorization.

2605166277293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14816.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 2605166277293 in words is "two trillion, six hundred five billion, one hundred sixty-six million, two hundred seventy-seven thousand, two hundred ninety-three".