66080596736 has 288 divisors, whose sum is σ = 176424998400. Its totient is φ = 23923261440.

The previous prime is 66080596649. The next prime is 66080596739. The reversal of 66080596736 is 63769508066.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (66080596739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19848320 + ... + 19851648.

It is an arithmetic number, because the mean of its divisors is an integer number (612586800).

Almost surely, 2^66080596736 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 66080596736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88212499200).

66080596736 is an abundant number, since it is smaller than the sum of its proper divisors (110344401664).

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

66080596736 is a wasteful number, since it uses less digits than its factorization.

66080596736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435 (or 3421 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 66080596736 in words is "sixty-six billion, eighty million, five hundred ninety-six thousand, seven hundred thirty-six".