266553852 has 12 divisors (see below), whose sum is σ = 621959016. Its totient is φ = 88851280.

The previous prime is 266553839. The next prime is 266553853. The reversal of 266553852 is 258355662.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266553853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11106399 + ... + 11106422.

It is an arithmetic number, because the mean of its divisors is an integer number (51829918).

Almost surely, 2^266553852 is an apocalyptic number.

It is an amenable number.

266553852 is an abundant number, since it is smaller than the sum of its proper divisors (355405164).

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

266553852 is a wasteful number, since it uses less digits than its factorization.

266553852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212828 (or 22212826 counting only the distinct ones).

The product of its digits is 432000, while the sum is 42.

The square root of 266553852 is about 16326.4770235345. The cubic root of 266553852 is about 643.5688091316.

The spelling of 266553852 in words is "two hundred sixty-six million, five hundred fifty-three thousand, eight hundred fifty-two".