66471414047 has 8 divisors (see below), whose sum is σ = 67139567616. Its totient is φ = 65805522552.

The previous prime is 66471413999. The next prime is 66471414049. The reversal of 66471414047 is 74041417466.

It is a happy number.

66471414047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66471414047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66471413989 and 66471414007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66471414049) 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, 506423 + ... + 624024.

It is an arithmetic number, because the mean of its divisors is an integer number (8392445952).

Almost surely, 2^66471414047 is an apocalyptic number.

66471414047 is a deficient number, since it is larger than the sum of its proper divisors (668153569).

66471414047 is a wasteful number, since it uses less digits than its factorization.

66471414047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131037.

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 66471414047 in words is "sixty-six billion, four hundred seventy-one million, four hundred fourteen thousand, forty-seven".