13553443154163 has 64 divisors (see below), whose sum is σ = 20886810347520. Its totient is φ = 7731244454400.

The previous prime is 13553443154149. The next prime is 13553443154191. The reversal of 13553443154163 is 36145134435531.

It is not a de Polignac number, because 13553443154163 - 2¹⁴ = 13553443137779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13553443154063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 289512028 + ... + 289558838.

It is an arithmetic number, because the mean of its divisors is an integer number (326356411680).

Almost surely, 2^{13553443154163} is an apocalyptic number.

13553443154163 is a deficient number, since it is larger than the sum of its proper divisors (7333367193357).

13553443154163 is a wasteful number, since it uses less digits than its factorization.

13553443154163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49840.

The product of its digits is 3888000, while the sum is 48.

Adding to 13553443154163 its reverse (36145134435531), we get a palindrome (49698577589694).

The spelling of 13553443154163 in words is "thirteen trillion, five hundred fifty-three billion, four hundred forty-three million, one hundred fifty-four thousand, one hundred sixty-three".