2666460728771 has 32 divisors (see below), whose sum is σ = 3206610677760. Its totient is φ = 2169169632000.

The previous prime is 2666460728753. The next prime is 2666460728803. The reversal of 2666460728771 is 1778270646662.

It is not a de Polignac number, because 2666460728771 - 2³⁴ = 2649280859587 is a prime.

It is a super-2 number, since 2×2666460728771² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666460724771) 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, 78043190 + ... + 78077348.

It is an arithmetic number, because the mean of its divisors is an integer number (100206583680).

Almost surely, 2^{2666460728771} is an apocalyptic number.

2666460728771 is a deficient number, since it is larger than the sum of its proper divisors (540149948989).

2666460728771 is a wasteful number, since it uses less digits than its factorization.

2666460728771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41595.

The product of its (nonzero) digits is 56899584, while the sum is 62.

The spelling of 2666460728771 in words is "two trillion, six hundred sixty-six billion, four hundred sixty million, seven hundred twenty-eight thousand, seven hundred seventy-one".