6544161112 has 32 divisors (see below), whose sum is σ = 13245314400. Its totient is φ = 3021889024.

The previous prime is 6544161097. The next prime is 6544161121. The reversal of 6544161112 is 2111614456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607873 + ... + 618544.

It is an arithmetic number, because the mean of its divisors is an integer number (413916075).

Almost surely, 2^6544161112 is an apocalyptic number.

It is an amenable number.

6544161112 is an abundant number, since it is smaller than the sum of its proper divisors (6701153288).

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

6544161112 is a wasteful number, since it uses less digits than its factorization.

6544161112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226475 (or 1226471 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 6544161112 is about 80895.9894679582. The cubic root of 6544161112 is about 1870.4725003503.

Adding to 6544161112 its reverse (2111614456), we get a palindrome (8655775568).

The spelling of 6544161112 in words is "six billion, five hundred forty-four million, one hundred sixty-one thousand, one hundred twelve".