266252133 has 48 divisors (see below), whose sum is σ = 427472640. Its totient is φ = 146893824.

The previous prime is 266252101. The next prime is 266252141. The reversal of 266252133 is 331252662.

It is not a de Polignac number, because 266252133 - 2⁵ = 266252101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266252133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266252033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 614685 + ... + 615117.

It is an arithmetic number, because the mean of its divisors is an integer number (8905680).

Almost surely, 2^266252133 is an apocalyptic number.

It is an amenable number.

266252133 is a deficient number, since it is larger than the sum of its proper divisors (161220507).

266252133 is a wasteful number, since it uses less digits than its factorization.

266252133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 579 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 266252133 is about 16317.2342325530. The cubic root of 266252133 is about 643.3258935547.

The spelling of 266252133 in words is "two hundred sixty-six million, two hundred fifty-two thousand, one hundred thirty-three".