663424045125575 has 12 divisors (see below), whose sum is σ = 826544611298568. Its totient is φ = 528223884266400.

The previous prime is 663424045125559. The next prime is 663424045125577. The reversal of 663424045125575 is 575521540424366.

It is not a de Polignac number, because 663424045125575 - 2⁴ = 663424045125559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663424045125577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62883790472 + ... + 62883801021.

It is an arithmetic number, because the mean of its divisors is an integer number (68878717608214).

Almost surely, 2^{663424045125575} is an apocalyptic number.

663424045125575 is a deficient number, since it is larger than the sum of its proper divisors (163120566172993).

663424045125575 is a wasteful number, since it uses less digits than its factorization.

663424045125575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125767591714 (or 125767591709 counting only the distinct ones).

The product of its (nonzero) digits is 120960000, while the sum is 59.

The spelling of 663424045125575 in words is "six hundred sixty-three trillion, four hundred twenty-four billion, forty-five million, one hundred twenty-five thousand, five hundred seventy-five".