66810107441441 has 8 divisors (see below), whose sum is σ = 82227824543424. Its totient is φ = 52860744349200.

The previous prime is 66810107441437. The next prime is 66810107441531. The reversal of 66810107441441 is 14414470101866.

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 66810107441441 - 2² = 66810107441437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66810107441141) 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, 367088502335 + ... + 367088502516.

It is an arithmetic number, because the mean of its divisors is an integer number (10278478067928).

Almost surely, 2^{66810107441441} is an apocalyptic number.

It is an amenable number.

66810107441441 is a deficient number, since it is larger than the sum of its proper divisors (15417717101983).

66810107441441 is a wasteful number, since it uses less digits than its factorization.

66810107441441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734177004871.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 66810107441441 in words is "sixty-six trillion, eight hundred ten billion, one hundred seven million, four hundred forty-one thousand, four hundred forty-one".