65675433457655 has 8 divisors (see below), whose sum is σ = 90069165884832. Its totient is φ = 45034582942368.

The previous prime is 65675433457643. The next prime is 65675433457661. The reversal of 65675433457655 is 55675433457656.

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 65675433457655 - 2²⁸ = 65675165022199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938220477932 + ... + 938220478001.

It is an arithmetic number, because the mean of its divisors is an integer number (11258645735604).

Almost surely, 2^{65675433457655} is an apocalyptic number.

65675433457655 is a deficient number, since it is larger than the sum of its proper divisors (24393732427177).

65675433457655 is a wasteful number, since it uses less digits than its factorization.

65675433457655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876440955945.

The product of its digits is 4762800000, while the sum is 71.

Subtracting from 65675433457655 its reverse (55675433457656), we obtain a palindrome (9999999999999).

The spelling of 65675433457655 in words is "sixty-five trillion, six hundred seventy-five billion, four hundred thirty-three million, four hundred fifty-seven thousand, six hundred fifty-five".