66063500046 has 80 divisors (see below), whose sum is σ = 156804500160. Its totient is φ = 20717130240.

The previous prime is 66063500033. The next prime is 66063500051. The reversal of 66063500046 is 64000536066.

66063500046 is a `hidden beast` number, since 6 + 606 + 3 + 5 + 0 + 0 + 0 + 46 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10789866 + ... + 10795986.

It is an arithmetic number, because the mean of its divisors is an integer number (1960056252).

Almost surely, 2^66063500046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66063500046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78402250080).

66063500046 is an abundant number, since it is smaller than the sum of its proper divisors (90741000114).

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

66063500046 is a wasteful number, since it uses less digits than its factorization.

66063500046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071 (or 10062 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 66063500046 in words is "sixty-six billion, sixty-three million, five hundred thousand, forty-six".