266066773532 has 24 divisors (see below), whose sum is σ = 532178177664. Its totient is φ = 114019053552.

The previous prime is 266066773519. The next prime is 266066773549. The reversal of 266066773532 is 235377660662.

It is a happy number.

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, 53438 + ... + 731429.

It is an arithmetic number, because the mean of its divisors is an integer number (22174090736).

Almost surely, 2^266066773532 is an apocalyptic number.

It is an amenable number.

266066773532 is an abundant number, since it is smaller than the sum of its proper divisors (266111404132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

266066773532 is a wasteful number, since it uses less digits than its factorization.

266066773532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796985 (or 796983 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 53.

The spelling of 266066773532 in words is "two hundred sixty-six billion, sixty-six million, seven hundred seventy-three thousand, five hundred thirty-two".