266677056 has 224 divisors, whose sum is σ = 832388480. Its totient is φ = 83607552.

The previous prime is 266677049. The next prime is 266677057. The reversal of 266677056 is 650776662.

266677056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×266677056² = 142233304393654272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266677057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2749200 + ... + 2749296.

It is an arithmetic number, because the mean of its divisors is an integer number (3716020).

Almost surely, 2^266677056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 266677056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416194240).

266677056 is an abundant number, since it is smaller than the sum of its proper divisors (565711424).

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

266677056 is a wasteful number, since it uses less digits than its factorization.

266677056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 266677056 is about 16330.2497225241. The cubic root of 266677056 is about 643.6679486211.

The spelling of 266677056 in words is "two hundred sixty-six million, six hundred seventy-seven thousand, fifty-six".