66541341011 has 8 divisors (see below), whose sum is σ = 68616897024. Its totient is φ = 64493276040.

The previous prime is 66541340923. The next prime is 66541341019. The reversal of 66541341011 is 11014314566.

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 66541341011 - 2³⁰ = 65467599187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66541341019) 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, 6867845 + ... + 6877526.

It is an arithmetic number, because the mean of its divisors is an integer number (8577112128).

Almost surely, 2^66541341011 is an apocalyptic number.

66541341011 is a deficient number, since it is larger than the sum of its proper divisors (2075556013).

66541341011 is a wasteful number, since it uses less digits than its factorization.

66541341011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13745521.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 66541341011 its reverse (11014314566), we get a palindrome (77555655577).

The spelling of 66541341011 in words is "sixty-six billion, five hundred forty-one million, three hundred forty-one thousand, eleven".