66246044463 has 6 divisors (see below), whose sum is σ = 95688730904. Its totient is φ = 44164029636.

The previous prime is 66246044443. The next prime is 66246044497. The reversal of 66246044463 is 36444064266.

It is not a de Polignac number, because 66246044463 - 2⁹ = 66246043951 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 (66246044413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3680335795 + ... + 3680335812.

Almost surely, 2^66246044463 is an apocalyptic number.

66246044463 is a deficient number, since it is larger than the sum of its proper divisors (29442686441).

66246044463 is a wasteful number, since it uses less digits than its factorization.

66246044463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7360671613 (or 7360671610 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 45.

The spelling of 66246044463 in words is "sixty-six billion, two hundred forty-six million, forty-four thousand, four hundred sixty-three".