266880417 has 24 divisors (see below), whose sum is σ = 371673120. Its totient is φ = 170325120.

The previous prime is 266880413. The next prime is 266880437. The reversal of 266880417 is 714088662.

266880417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 266880417 - 2² = 266880413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266880413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 350317 + ... + 351077.

It is an arithmetic number, because the mean of its divisors is an integer number (15486380).

Almost surely, 2^266880417 is an apocalyptic number.

It is an amenable number.

266880417 is a deficient number, since it is larger than the sum of its proper divisors (104792703).

266880417 is a wasteful number, since it uses less digits than its factorization.

266880417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 266880417 is about 16336.4750481859. The cubic root of 266880417 is about 643.8315218719.

The spelling of 266880417 in words is "two hundred sixty-six million, eight hundred eighty thousand, four hundred seventeen".