66083648843 has 8 divisors (see below), whose sum is σ = 66197749200. Its totient is φ = 65969592480.

The previous prime is 66083648797. The next prime is 66083648863. The reversal of 66083648843 is 34884638066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66083648843 - 2³² = 61788681547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66083648863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4586096 + ... + 4600482.

It is an arithmetic number, because the mean of its divisors is an integer number (8274718650).

Almost surely, 2^66083648843 is an apocalyptic number.

66083648843 is a deficient number, since it is larger than the sum of its proper divisors (114100357).

66083648843 is a wasteful number, since it uses less digits than its factorization.

66083648843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21997.

The product of its (nonzero) digits is 15925248, while the sum is 56.

The spelling of 66083648843 in words is "sixty-six billion, eighty-three million, six hundred forty-eight thousand, eight hundred forty-three".