66063146663 has 4 divisors (see below), whose sum is σ = 66065282448. Its totient is φ = 66061010880.

The previous prime is 66063146651. The next prime is 66063146671. The reversal of 66063146663 is 36664136066.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66063146663 - 2⁸ = 66063146407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65063146663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020803 + ... + 1083588.

It is an arithmetic number, because the mean of its divisors is an integer number (16516320612).

Almost surely, 2^66063146663 is an apocalyptic number.

66063146663 is a deficient number, since it is larger than the sum of its proper divisors (2135785).

66063146663 is a wasteful number, since it uses less digits than its factorization.

66063146663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135784.

The product of its (nonzero) digits is 1679616, while the sum is 47.

The spelling of 66063146663 in words is "sixty-six billion, sixty-three million, one hundred forty-six thousand, six hundred sixty-three".