13161461543 has 16 divisors (see below), whose sum is σ = 13610193696. Its totient is φ = 12719616000.

The previous prime is 13161461527. The next prime is 13161461567. The reversal of 13161461543 is 34516416131.

It is a cyclic number.

It is not a de Polignac number, because 13161461543 - 2⁴ = 13161461527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161461503) 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, 3287543 + ... + 3291543.

It is an arithmetic number, because the mean of its divisors is an integer number (850637106).

Almost surely, 2^13161461543 is an apocalyptic number.

13161461543 is a deficient number, since it is larger than the sum of its proper divisors (448732153).

13161461543 is a wasteful number, since it uses less digits than its factorization.

13161461543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4834.

The product of its digits is 25920, while the sum is 35.

Adding to 13161461543 its reverse (34516416131), we get a palindrome (47677877674).

The spelling of 13161461543 in words is "thirteen billion, one hundred sixty-one million, four hundred sixty-one thousand, five hundred forty-three".