66331411441 has 4 divisors (see below), whose sum is σ = 66332665584. Its totient is φ = 66330157300.

The previous prime is 66331411439. The next prime is 66331411459. The reversal of 66331411441 is 14411413366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 66331411441 - 2¹ = 66331411439 is a prime.

It is a super-2 number, since 2×66331411441² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66331411397 and 66331411406.

It is not an unprimeable number, because it can be changed into a prime (66331411411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544075 + ... + 654736.

It is an arithmetic number, because the mean of its divisors is an integer number (16583166396).

Almost surely, 2^66331411441 is an apocalyptic number.

It is an amenable number.

66331411441 is a deficient number, since it is larger than the sum of its proper divisors (1254143).

66331411441 is a wasteful number, since it uses less digits than its factorization.

66331411441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254142.

The product of its digits is 20736, while the sum is 34.

The spelling of 66331411441 in words is "sixty-six billion, three hundred thirty-one million, four hundred eleven thousand, four hundred forty-one".