2666762271 has 40 divisors (see below), whose sum is σ = 4199803520. Its totient is φ = 1681680528.

The previous prime is 2666762249. The next prime is 2666762311. The reversal of 2666762271 is 1722676662.

It is not a de Polignac number, because 2666762271 - 2⁷ = 2666762143 is a prime.

It is a super-2 number, since 2×2666762271² = 14223242020058154882, which contains 22 as substring.

It is a Duffinian number.

Its product of digits (508032) is a multiple of the sum of its prime divisors (2688).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666742271) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1727526 + ... + 1729068.

It is an arithmetic number, because the mean of its divisors is an integer number (104995088).

Almost surely, 2^2666762271 is an apocalyptic number.

2666762271 is a deficient number, since it is larger than the sum of its proper divisors (1533041249).

2666762271 is a wasteful number, since it uses less digits than its factorization.

2666762271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2697 (or 2688 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 2666762271 is about 51640.7036261126. The cubic root of 2666762271 is about 1386.7391205888.

The spelling of 2666762271 in words is "two billion, six hundred sixty-six million, seven hundred sixty-two thousand, two hundred seventy-one".