66147306841 has 8 divisors (see below), whose sum is σ = 82469369664. Its totient is φ = 51543355920.

The previous prime is 66147306769. The next prime is 66147306847. The reversal of 66147306841 is 14860374166.

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

It is not a de Polignac number, because 66147306841 - 2⁷ = 66147306713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66147306791 and 66147306800.

It is not an unprimeable number, because it can be changed into a prime (66147306847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429527890 + ... + 429528043.

It is an arithmetic number, because the mean of its divisors is an integer number (10308671208).

Almost surely, 2^66147306841 is an apocalyptic number.

It is an amenable number.

66147306841 is a deficient number, since it is larger than the sum of its proper divisors (16322062823).

66147306841 is a wasteful number, since it uses less digits than its factorization.

66147306841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859055951.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 66147306841 in words is "sixty-six billion, one hundred forty-seven million, three hundred six thousand, eight hundred forty-one".