66363306033336 has 128 divisors (see below), whose sum is σ = 180090123171840. Its totient is φ = 20257584768000.

The previous prime is 66363306033247. The next prime is 66363306033371. The reversal of 66363306033336 is 63333060336366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34926721 + ... + 36777743.

It is an arithmetic number, because the mean of its divisors is an integer number (1406954087280).

Almost surely, 2^{66363306033336} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66363306033336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90045061585920).

66363306033336 is an abundant number, since it is smaller than the sum of its proper divisors (113726817138504).

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

66363306033336 is a wasteful number, since it uses less digits than its factorization.

66363306033336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851957 (or 1851953 counting only the distinct ones).

The product of its (nonzero) digits is 17006112, while the sum is 51.

The spelling of 66363306033336 in words is "sixty-six trillion, three hundred sixty-three billion, three hundred six million, thirty-three thousand, three hundred thirty-six".