266403025253 has 8 divisors (see below), whose sum is σ = 268351759200. Its totient is φ = 264454751088.

The previous prime is 266403025241. The next prime is 266403025271. The reversal of 266403025253 is 352520304662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 266403025253 - 2⁴ = 266403025237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266403025153) 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, 1094450 + ... + 1315532.

It is an arithmetic number, because the mean of its divisors is an integer number (33543969900).

Almost surely, 2^266403025253 is an apocalyptic number.

It is an amenable number.

266403025253 is a deficient number, since it is larger than the sum of its proper divisors (1948733947).

266403025253 is a wasteful number, since it uses less digits than its factorization.

266403025253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229891.

The product of its (nonzero) digits is 259200, while the sum is 38.

The spelling of 266403025253 in words is "two hundred sixty-six billion, four hundred three million, twenty-five thousand, two hundred fifty-three".