266260416 has 28 divisors (see below), whose sum is σ = 704481192. Its totient is φ = 88753408.

The previous prime is 266260403. The next prime is 266260417. The reversal of 266260416 is 614062662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266260417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693195 + ... + 693578.

Almost surely, 2^266260416 is an apocalyptic number.

It is an amenable number.

266260416 is an abundant number, since it is smaller than the sum of its proper divisors (438220776).

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

266260416 is a wasteful number, since it uses less digits than its factorization.

266260416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386788 (or 1386778 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 266260416 is about 16317.4880419751. The cubic root of 266260416 is about 643.3325646913.

The spelling of 266260416 in words is "two hundred sixty-six million, two hundred sixty thousand, four hundred sixteen".