66630363306336 has 144 divisors (see below), whose sum is σ = 199265454355968. Its totient is φ = 21897302313600.

The previous prime is 66630363306319. The next prime is 66630363306359. The reversal of 66630363306336 is 63360336303666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59791000 + ... + 60895191.

It is an arithmetic number, because the mean of its divisors is an integer number (1383787877472).

Almost surely, 2^{66630363306336} is an apocalyptic number.

It is an amenable number.

66630363306336 is an abundant number, since it is smaller than the sum of its proper divisors (132635091049632).

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

66630363306336 is a wasteful number, since it uses less digits than its factorization.

66630363306336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120686287 (or 120686267 counting only the distinct ones).

The product of its (nonzero) digits is 34012224, while the sum is 54.

The spelling of 66630363306336 in words is "sixty-six trillion, six hundred thirty billion, three hundred sixty-three million, three hundred six thousand, three hundred thirty-six".