6665346412055 has 8 divisors (see below), whose sum is σ = 7998610346592. Its totient is φ = 5332147361568.

The previous prime is 6665346411973. The next prime is 6665346412057. The reversal of 6665346412055 is 5502146435666.

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 6665346412055 - 2⁸ = 6665346411799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6665346411988 and 6665346412006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665346412057) 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, 15994724 + ... + 16406153.

It is an arithmetic number, because the mean of its divisors is an integer number (999826293324).

Almost surely, 2^{6665346412055} is an apocalyptic number.

6665346412055 is a deficient number, since it is larger than the sum of its proper divisors (1333263934537).

6665346412055 is a wasteful number, since it uses less digits than its factorization.

6665346412055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32442025.

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 6665346412055 in words is "six trillion, six hundred sixty-five billion, three hundred forty-six million, four hundred twelve thousand, fifty-five".