3255660665523 has 16 divisors (see below), whose sum is σ = 5512229698560. Its totient is φ = 1860377523048.

The previous prime is 3255660665473. The next prime is 3255660665597.

3255660665523 is a `hidden beast` number, since 3 + 2 + 5 + 5 + 6 + 606 + 6 + 5 + 5 + 23 = 666.

3255660665523 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3255660665523 - 2¹³ = 3255660657331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3255660665523.

It is not an unprimeable number, because it can be changed into a prime (3255660665923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8612858715 + ... + 8612859092.

It is an arithmetic number, because the mean of its divisors is an integer number (344514356160).

Almost surely, 2^{3255660665523} is an apocalyptic number.

3255660665523 is a deficient number, since it is larger than the sum of its proper divisors (2256569033037).

3255660665523 is a wasteful number, since it uses less digits than its factorization.

3255660665523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17225717823 (or 17225717817 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 54.

The spelling of 3255660665523 in words is "three trillion, two hundred fifty-five billion, six hundred sixty million, six hundred sixty-five thousand, five hundred twenty-three".