66113996305000 has 320 divisors, whose sum is σ = 184799967580800. Its totient is φ = 21693432960000.

The previous prime is 66113996304973. The next prime is 66113996305031. The reversal of 66113996305000 is 50369931166.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 78576531 + ... + 79413469.

It is an arithmetic number, because the mean of its divisors is an integer number (577499898690).

Almost surely, 2^{66113996305000} 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 66113996305000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92399983790400).

66113996305000 is an abundant number, since it is smaller than the sum of its proper divisors (118685971275800).

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

66113996305000 is a wasteful number, since it uses less digits than its factorization.

66113996305000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837070 (or 837051 counting only the distinct ones).

The product of its (nonzero) digits is 787320, while the sum is 49.

The spelling of 66113996305000 in words is "sixty-six trillion, one hundred thirteen billion, nine hundred ninety-six million, three hundred five thousand".