2726660617263 has 32 divisors (see below), whose sum is σ = 4406926233600. Its totient is φ = 1652445835200.

The previous prime is 2726660617217. The next prime is 2726660617319. The reversal of 2726660617263 is 3627160666272.

It is not a de Polignac number, because 2726660617263 - 2¹⁷ = 2726660486191 is a prime.

It is a super-2 number, since 2×2726660617263² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2726660607263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6656178 + ... + 7053936.

It is an arithmetic number, because the mean of its divisors is an integer number (137716444800).

Almost surely, 2^{2726660617263} is an apocalyptic number.

2726660617263 is a deficient number, since it is larger than the sum of its proper divisors (1680265616337).

2726660617263 is a wasteful number, since it uses less digits than its factorization.

2726660617263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420860 (or 420854 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 2726660617263 in words is "two trillion, seven hundred twenty-six billion, six hundred sixty million, six hundred seventeen thousand, two hundred sixty-three".