666360511732 has 24 divisors (see below), whose sum is σ = 1189045702656. Its totient is φ = 326642822688.

The previous prime is 666360511681. The next prime is 666360511753. The reversal of 666360511732 is 237115063666.

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, 929908 + ... + 1482379.

It is an arithmetic number, because the mean of its divisors is an integer number (49543570944).

Almost surely, 2^666360511732 is an apocalyptic number.

It is an amenable number.

666360511732 is a deficient number, since it is larger than the sum of its proper divisors (522685190924).

666360511732 is a wasteful number, since it uses less digits than its factorization.

666360511732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413647 (or 2413645 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 46.

The spelling of 666360511732 in words is "six hundred sixty-six billion, three hundred sixty million, five hundred eleven thousand, seven hundred thirty-two".