266116272 has 40 divisors (see below), whose sum is σ = 688051200. Its totient is φ = 88630080.

The previous prime is 266116217. The next prime is 266116327. The reversal of 266116272 is 272611662.

It is an interprime number because it is at equal distance from previous prime (266116217) and next prime (266116327).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109729 + ... + 112127.

It is an arithmetic number, because the mean of its divisors is an integer number (17201280).

Almost surely, 2^266116272 is an apocalyptic number.

It is an amenable number.

266116272 is an abundant number, since it is smaller than the sum of its proper divisors (421934928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266116272 is a wasteful number, since it uses less digits than its factorization.

266116272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721 (or 4715 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 266116272 is about 16313.0705877220. The cubic root of 266116272 is about 643.2164512141.

The spelling of 266116272 in words is "two hundred sixty-six million, one hundred sixteen thousand, two hundred seventy-two".