266714988 has 12 divisors (see below), whose sum is σ = 622335000. Its totient is φ = 88904992.

The previous prime is 266714977. The next prime is 266714993. The reversal of 266714988 is 889417662.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×266714988² = 142273769647680288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 266714988.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11113113 + ... + 11113136.

It is an arithmetic number, because the mean of its divisors is an integer number (51861250).

Almost surely, 2^266714988 is an apocalyptic number.

It is an amenable number.

266714988 is an abundant number, since it is smaller than the sum of its proper divisors (355620012).

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

266714988 is a wasteful number, since it uses less digits than its factorization.

266714988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22226256 (or 22226254 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 51.

The square root of 266714988 is about 16331.4110841654. The cubic root of 266714988 is about 643.6984655010.

The spelling of 266714988 in words is "two hundred sixty-six million, seven hundred fourteen thousand, nine hundred eighty-eight".