266242662 has 24 divisors (see below), whose sum is σ = 659267856. Its totient is φ = 76069296.

The previous prime is 266242651. The next prime is 266242679.

It is a happy number.

266242662 is a `hidden beast` number, since 2 + 6 + 624 + 26 + 6 + 2 = 666.

266242662 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1056393 + ... + 1056644.

It is an arithmetic number, because the mean of its divisors is an integer number (27469494).

Almost surely, 2^266242662 is an apocalyptic number.

266242662 is an abundant number, since it is smaller than the sum of its proper divisors (393025194).

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

266242662 is a wasteful number, since it uses less digits than its factorization.

266242662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113052 (or 2113049 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 266242662 is about 16316.9440153480. The cubic root of 266242662 is about 643.3182654320.

The spelling of 266242662 in words is "two hundred sixty-six million, two hundred forty-two thousand, six hundred sixty-two".