5538164244481 has 4 divisors (see below), whose sum is σ = 6041633721264. Its totient is φ = 5034694767700.

The previous prime is 5538164244449. The next prime is 5538164244511. The reversal of 5538164244481 is 1844424618355.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5538164244481 - 2⁵ = 5538164244449 is a prime.

It is a super-2 number, since 2×5538164244481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5508164244481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251734738375 + ... + 251734738396.

It is an arithmetic number, because the mean of its divisors is an integer number (1510408430316).

Almost surely, 2^{5538164244481} is an apocalyptic number.

It is an amenable number.

5538164244481 is a deficient number, since it is larger than the sum of its proper divisors (503469476783).

5538164244481 is a wasteful number, since it uses less digits than its factorization.

5538164244481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503469476782.

The product of its digits is 14745600, while the sum is 55.

The spelling of 5538164244481 in words is "five trillion, five hundred thirty-eight billion, one hundred sixty-four million, two hundred forty-four thousand, four hundred eighty-one".