266516662071 has 16 divisors (see below), whose sum is σ = 387673320960. Its totient is φ = 161519949120.

The previous prime is 266516662063. The next prime is 266516662129. The reversal of 266516662071 is 170266615662.

It is not a de Polignac number, because 266516662071 - 2³ = 266516662063 is a prime.

It is a super-2 number, since 2×266516662071² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266516662071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266516662051) 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, 1044306 + ... + 1274208.

It is an arithmetic number, because the mean of its divisors is an integer number (24229582560).

Almost surely, 2^266516662071 is an apocalyptic number.

266516662071 is a deficient number, since it is larger than the sum of its proper divisors (121156658889).

266516662071 is a wasteful number, since it uses less digits than its factorization.

266516662071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265046.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 266516662071 in words is "two hundred sixty-six billion, five hundred sixteen million, six hundred sixty-two thousand, seventy-one".