3528917468161 has 4 divisors (see below), whose sum is σ = 3530152653892. Its totient is φ = 3527682282432.

The previous prime is 3528917468159. The next prime is 3528917468183. The reversal of 3528917468161 is 1618647198253.

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 2528637448561 + 1000280019600 = 1590169^2 + 1000140^2 .

It is a cyclic number.

It is not a de Polignac number, because 3528917468161 - 2¹ = 3528917468159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3528917468161.

It is not an unprimeable number, because it can be changed into a prime (3528917468561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 617588580 + ... + 617594293.

It is an arithmetic number, because the mean of its divisors is an integer number (882538163473).

Almost surely, 2^{3528917468161} is an apocalyptic number.

It is an amenable number.

3528917468161 is a deficient number, since it is larger than the sum of its proper divisors (1235185731).

3528917468161 is a wasteful number, since it uses less digits than its factorization.

3528917468161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235185730.

The product of its digits is 17418240, while the sum is 61.

The spelling of 3528917468161 in words is "three trillion, five hundred twenty-eight billion, nine hundred seventeen million, four hundred sixty-eight thousand, one hundred sixty-one".