6609581618433 has 8 divisors (see below), whose sum is σ = 8841481601568. Its totient is φ = 4392034690464.

The previous prime is 6609581618363. The next prime is 6609581618441. The reversal of 6609581618433 is 3348161859066.

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

It is not a de Polignac number, because 6609581618433 - 2⁸ = 6609581618177 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6609581618483) 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, 3588262716 + ... + 3588264557.

It is an arithmetic number, because the mean of its divisors is an integer number (1105185200196).

Almost surely, 2^{6609581618433} is an apocalyptic number.

It is an amenable number.

6609581618433 is a deficient number, since it is larger than the sum of its proper divisors (2231899983135).

6609581618433 is a wasteful number, since it uses less digits than its factorization.

6609581618433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176527583.

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 6609581618433 in words is "six trillion, six hundred nine billion, five hundred eighty-one million, six hundred eighteen thousand, four hundred thirty-three".