66304585469304 has 768 divisors, whose sum is σ = 240050493849600. Its totient is φ = 16789441536000.

The previous prime is 66304585469261. The next prime is 66304585469329. The reversal of 66304585469304 is 40396458540366.

66304585469304 is a `hidden beast` number, since 6 + 6 + 3 + 0 + 4 + 58 + 546 + 9 + 30 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 541638504 + ... + 541760904.

It is an arithmetic number, because the mean of its divisors is an integer number (312565747200).

Almost surely, 2^{66304585469304} 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 66304585469304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120025246924800).

66304585469304 is an abundant number, since it is smaller than the sum of its proper divisors (173745908380296).

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

66304585469304 is a wasteful number, since it uses less digits than its factorization.

66304585469304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122601 (or 122584 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 63.

The spelling of 66304585469304 in words is "sixty-six trillion, three hundred four billion, five hundred eighty-five million, four hundred sixty-nine thousand, three hundred four".