266495261922 has 30 divisors (see below), whose sum is σ = 597161513883. Its totient is φ = 88829563788.

The previous prime is 266495261867. The next prime is 266495261927. The reversal of 266495261922 is 229162594662.

266495261922 is a `hidden beast` number, since 2 + 6 + 6 + 495 + 2 + 61 + 92 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 133247630961 + 133247630961 = 365031^2 + 365031^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=365031.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (266495261927) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 6550279 + ... + 6590837.

Almost surely, 2^266495261922 is an apocalyptic number.

266495261922 is an abundant number, since it is smaller than the sum of its proper divisors (330666251961).

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

266495261922 is an frugal number, since it uses more digits than its factorization.

266495261922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81132 (or 40564 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 266495261922 in words is "two hundred sixty-six billion, four hundred ninety-five million, two hundred sixty-one thousand, nine hundred twenty-two".