13531334462066 has 8 divisors (see below), whose sum is σ = 20845569306540. Its totient is φ = 6582811359888.

The previous prime is 13531334462033. The next prime is 13531334462069. The reversal of 13531334462066 is 66026443313531.

It can be written as a sum of positive squares in 2 ways, for example, as 13145910781441 + 385423680625 = 3625729^2 + 620825^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13531334462066.

It is not an unprimeable number, because it can be changed into a prime (13531334462069) 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, 91427935481 + ... + 91427935628.

Almost surely, 2^{13531334462066} is an apocalyptic number.

13531334462066 is a deficient number, since it is larger than the sum of its proper divisors (7314234844474).

13531334462066 is a wasteful number, since it uses less digits than its factorization.

13531334462066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182855871148.

The product of its (nonzero) digits is 2799360, while the sum is 47.

Adding to 13531334462066 its reverse (66026443313531), we get a palindrome (79557777775597).

The spelling of 13531334462066 in words is "thirteen trillion, five hundred thirty-one billion, three hundred thirty-four million, four hundred sixty-two thousand, sixty-six".