266556052 has 24 divisors (see below), whose sum is σ = 551496960. Its totient is φ = 110298720.

The previous prime is 266556001. The next prime is 266556053. The reversal of 266556052 is 250655662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266556053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163324 + ... + 164947.

It is an arithmetic number, because the mean of its divisors is an integer number (22979040).

Almost surely, 2^266556052 is an apocalyptic number.

It is an amenable number.

266556052 is an abundant number, since it is smaller than the sum of its proper divisors (284940908).

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

266556052 is a wasteful number, since it uses less digits than its factorization.

266556052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328311 (or 328309 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 266556052 is about 16326.5443986166. The cubic root of 266556052 is about 643.5705796900.

The spelling of 266556052 in words is "two hundred sixty-six million, five hundred fifty-six thousand, fifty-two".