266134473 has 48 divisors (see below), whose sum is σ = 458445312. Its totient is φ = 146880000.

The previous prime is 266134459. The next prime is 266134481. The reversal of 266134473 is 374431662.

It is a happy number.

It is not a de Polignac number, because 266134473 - 2⁴ = 266134457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266124473) 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, 49623 + ... + 54723.

It is an arithmetic number, because the mean of its divisors is an integer number (9550944).

Almost surely, 2^266134473 is an apocalyptic number.

It is an amenable number.

266134473 is a deficient number, since it is larger than the sum of its proper divisors (192310839).

266134473 is a wasteful number, since it uses less digits than its factorization.

266134473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5166 (or 5163 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 266134473 is about 16313.6284437277. The cubic root of 266134473 is about 643.2311151248.

The spelling of 266134473 in words is "two hundred sixty-six million, one hundred thirty-four thousand, four hundred seventy-three".