266715474268 has 12 divisors (see below), whose sum is σ = 466921642320. Its totient is φ = 133309290752.

The previous prime is 266715474217. The next prime is 266715474323. The reversal of 266715474268 is 862474517662.

It is a super-2 number, since 2×266715474268² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12099208 + ... + 12121231.

It is an arithmetic number, because the mean of its divisors is an integer number (38910136860).

Almost surely, 2^266715474268 is an apocalyptic number.

It is an amenable number.

266715474268 is a deficient number, since it is larger than the sum of its proper divisors (200206168052).

266715474268 is a wasteful number, since it uses less digits than its factorization.

266715474268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24223196 (or 24223194 counting only the distinct ones).

The product of its digits is 27095040, while the sum is 58.

The spelling of 266715474268 in words is "two hundred sixty-six billion, seven hundred fifteen million, four hundred seventy-four thousand, two hundred sixty-eight".