66065193562032 has 480 divisors, whose sum is σ = 222369007829760. Its totient is φ = 18723821276160.

The previous prime is 66065193562003. The next prime is 66065193562087. The reversal of 66065193562032 is 23026539156066.

It is a happy number.

66065193562032 is a `hidden beast` number, since 6 + 6 + 0 + 6 + 5 + 1 + 9 + 3 + 5 + 620 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 66065193562032.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10878507348 + ... + 10878513420.

It is an arithmetic number, because the mean of its divisors is an integer number (463268766312).

Almost surely, 2^{66065193562032} 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 66065193562032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111184503914880).

66065193562032 is an abundant number, since it is smaller than the sum of its proper divisors (156303814267728).

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

66065193562032 is a wasteful number, since it uses less digits than its factorization.

66065193562032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10158 (or 10139 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 54.

The spelling of 66065193562032 in words is "sixty-six trillion, sixty-five billion, one hundred ninety-three million, five hundred sixty-two thousand, thirty-two".