266682676 has 18 divisors (see below), whose sum is σ = 505357062. Its totient is φ = 123084000.

The previous prime is 266682673. The next prime is 266682679. The reversal of 266682676 is 676286662.

It is a happy number.

266682676 is nontrivially palindromic in base 5.

266682676 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (266682673) and next prime (266682679).

It can be written as a sum of positive squares in 3 ways, for example, as 144400 + 266538276 = 380^2 + 16326^2 .

It is a super-2 number, since 2×266682676² = 142239299357041952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266682671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196575 + ... + 197926.

Almost surely, 2^266682676 is an apocalyptic number.

266682676 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

266682676 is a deficient number, since it is larger than the sum of its proper divisors (238674386).

266682676 is a wasteful number, since it uses less digits than its factorization.

266682676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394531 (or 394516 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The square root of 266682676 is about 16330.4217949201. The cubic root of 266682676 is about 643.6724701805.

The spelling of 266682676 in words is "two hundred sixty-six million, six hundred eighty-two thousand, six hundred seventy-six".