266066396 has 12 divisors (see below), whose sum is σ = 466189080. Its totient is φ = 132869520.

The previous prime is 266066363. The next prime is 266066401. The reversal of 266066396 is 693660662.

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, 37226 + ... + 43793.

It is an arithmetic number, because the mean of its divisors is an integer number (38849090).

Almost surely, 2^266066396 is an apocalyptic number.

It is an amenable number.

266066396 is a deficient number, since it is larger than the sum of its proper divisors (200122684).

266066396 is a wasteful number, since it uses less digits than its factorization.

266066396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81844 (or 81842 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 266066396 is about 16311.5418032754. The cubic root of 266066396 is about 643.1762644342.

The spelling of 266066396 in words is "two hundred sixty-six million, sixty-six thousand, three hundred ninety-six".