66471742482 has 8 divisors (see below), whose sum is σ = 132943484976. Its totient is φ = 22157247492.

The previous prime is 66471742417. The next prime is 66471742541. The reversal of 66471742482 is 28424717466.

It is a happy number.

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

66471742482 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5539311868 + ... + 5539311879.

It is an arithmetic number, because the mean of its divisors is an integer number (16617935622).

Almost surely, 2^66471742482 is an apocalyptic number.

66471742482 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66471742482 is a wasteful number, since it uses less digits than its factorization.

66471742482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11078623752.

The product of its digits is 3612672, while the sum is 51.

The spelling of 66471742482 in words is "sixty-six billion, four hundred seventy-one million, seven hundred forty-two thousand, four hundred eighty-two".