266223314512 has 40 divisors (see below), whose sum is σ = 524622225600. Its totient is φ = 130837554432.

The previous prime is 266223314471. The next prime is 266223314531. The reversal of 266223314512 is 215413322662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9160228 + ... + 9189244.

It is an arithmetic number, because the mean of its divisors is an integer number (13115555640).

Almost surely, 2^266223314512 is an apocalyptic number.

It is an amenable number.

266223314512 is a deficient number, since it is larger than the sum of its proper divisors (258398911088).

266223314512 is a wasteful number, since it uses less digits than its factorization.

266223314512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38803 (or 38797 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The spelling of 266223314512 in words is "two hundred sixty-six billion, two hundred twenty-three million, three hundred fourteen thousand, five hundred twelve".