3500166525553 has 4 divisors (see below), whose sum is σ = 3500176384228. Its totient is φ = 3500156666880.

The previous prime is 3500166525551. The next prime is 3500166525587. The reversal of 3500166525553 is 3555256610053.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2406075629409 + 1094090896144 = 1551153^2 + 1045988^2 .

It is a cyclic number.

It is not a de Polignac number, because 3500166525553 - 2¹ = 3500166525551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3500166525551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4376088 + ... + 5113753.

It is an arithmetic number, because the mean of its divisors is an integer number (875044096057).

Almost surely, 2^{3500166525553} is an apocalyptic number.

It is an amenable number.

3500166525553 is a deficient number, since it is larger than the sum of its proper divisors (9858675).

3500166525553 is an equidigital number, since it uses as much as digits as its factorization.

3500166525553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9858674.

The product of its (nonzero) digits is 2025000, while the sum is 46.

The spelling of 3500166525553 in words is "three trillion, five hundred billion, one hundred sixty-six million, five hundred twenty-five thousand, five hundred fifty-three".