5381644313164 has 48 divisors (see below), whose sum is σ = 10835910489600. Its totient is φ = 2290860950400.

The previous prime is 5381644313147. The next prime is 5381644313209. The reversal of 5381644313164 is 4613134461835.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36019887 + ... + 36168985.

It is an arithmetic number, because the mean of its divisors is an integer number (225748135200).

Almost surely, 2^{5381644313164} is an apocalyptic number.

It is an amenable number.

5381644313164 is an abundant number, since it is smaller than the sum of its proper divisors (5454266176436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5381644313164 is a wasteful number, since it uses less digits than its factorization.

5381644313164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157798 (or 157796 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

Adding to 5381644313164 its reverse (4613134461835), we get a palindrome (9994778774999).

The spelling of 5381644313164 in words is "five trillion, three hundred eighty-one billion, six hundred forty-four million, three hundred thirteen thousand, one hundred sixty-four".