66308014080 has 912 divisors, whose sum is σ = 290513718144. Its totient is φ = 13589544960.

The previous prime is 66308014057. The next prime is 66308014127. The reversal of 66308014080 is 8041080366.

It is a happy number.

66308014080 is a `hidden beast` number, since 6 + 630 + 8 + 0 + 14 + 0 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 908328924 + ... + 908328996.

Almost surely, 2^66308014080 is an apocalyptic number.

66308014080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66308014080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145256859072).

66308014080 is an abundant number, since it is smaller than the sum of its proper divisors (224205704064).

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

66308014080 is an equidigital number, since it uses as much as digits as its factorization.

66308014080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 66308014080 in words is "sixty-six billion, three hundred eight million, fourteen thousand, eighty".