66547031041 has 8 divisors (see below), whose sum is σ = 67033612800. Its totient is φ = 66060561360.

The previous prime is 66547031021. The next prime is 66547031077. The reversal of 66547031041 is 14013074566.

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 66547031041 - 2²⁵ = 66513476609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66547031011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1445031 + ... + 1490371.

It is an arithmetic number, because the mean of its divisors is an integer number (8379201600).

Almost surely, 2^66547031041 is an apocalyptic number.

It is an amenable number.

66547031041 is a deficient number, since it is larger than the sum of its proper divisors (486581759).

66547031041 is a wasteful number, since it uses less digits than its factorization.

66547031041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56039.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 66547031041 in words is "sixty-six billion, five hundred forty-seven million, thirty-one thousand, forty-one".