266163796 has 6 divisors (see below), whose sum is σ = 465786650. Its totient is φ = 133081896.

The previous prime is 266163757. The next prime is 266163811. The reversal of 266163796 is 697361662.

It can be written as a sum of positive squares in only one way, i.e., 256640400 + 9523396 = 16020^2 + 3086^2 .

It is a super-2 number, since 2×266163796² = 141686332602259232, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 33270471 + ... + 33270478.

Almost surely, 2^266163796 is an apocalyptic number.

It is an amenable number.

266163796 is a deficient number, since it is larger than the sum of its proper divisors (199622854).

266163796 is a wasteful number, since it uses less digits than its factorization.

266163796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66540953 (or 66540951 counting only the distinct ones).

The product of its digits is 489888, while the sum is 46.

The square root of 266163796 is about 16314.5271460744. The cubic root of 266163796 is about 643.2547382367.

The spelling of 266163796 in words is "two hundred sixty-six million, one hundred sixty-three thousand, seven hundred ninety-six".