266763473 has 12 divisors (see below), whose sum is σ = 284183760. Its totient is φ = 250358592.

The previous prime is 266763467. The next prime is 266763517. The reversal of 266763473 is 374367662.

It is not a de Polignac number, because 266763473 - 2¹² = 266759377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266763433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119990 + ... + 122192.

It is an arithmetic number, because the mean of its divisors is an integer number (23681980).

Almost surely, 2^266763473 is an apocalyptic number.

It is an amenable number.

266763473 is a deficient number, since it is larger than the sum of its proper divisors (17420287).

266763473 is a wasteful number, since it uses less digits than its factorization.

266763473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2656 (or 2639 counting only the distinct ones).

The product of its digits is 762048, while the sum is 44.

The square root of 266763473 is about 16332.8954261025. The cubic root of 266763473 is about 643.7374682199.

The spelling of 266763473 in words is "two hundred sixty-six million, seven hundred sixty-three thousand, four hundred seventy-three".