66359447652732 has 24 divisors (see below), whose sum is σ = 166749381281616. Its totient is φ = 20418291585408.

The previous prime is 66359447652727. The next prime is 66359447652793. The reversal of 66359447652732 is 23725674495366.

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, 212690537193 + ... + 212690537504.

It is an arithmetic number, because the mean of its divisors is an integer number (6947890886734).

Almost surely, 2^{66359447652732} is an apocalyptic number.

It is an amenable number.

66359447652732 is an abundant number, since it is smaller than the sum of its proper divisors (100389933628884).

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

66359447652732 is a wasteful number, since it uses less digits than its factorization.

66359447652732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425381074717 (or 425381074715 counting only the distinct ones).

The product of its digits is 1371686400, while the sum is 69.

The spelling of 66359447652732 in words is "sixty-six trillion, three hundred fifty-nine billion, four hundred forty-seven million, six hundred fifty-two thousand, seven hundred thirty-two".