16486721144 has 16 divisors (see below), whose sum is σ = 30914751600. Its totient is φ = 8242787392.

The previous prime is 16486721129. The next prime is 16486721171. The reversal of 16486721144 is 44112768461.

It is a junction number, because it is equal to n+sod(n) for n = 16486721095 and 16486721104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66197 + ... + 193275.

It is an arithmetic number, because the mean of its divisors is an integer number (1932171975).

Almost surely, 2^16486721144 is an apocalyptic number.

It is an amenable number.

16486721144 is a deficient number, since it is larger than the sum of its proper divisors (14428030456).

16486721144 is a wasteful number, since it uses less digits than its factorization.

16486721144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143302 (or 143298 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The spelling of 16486721144 in words is "sixteen billion, four hundred eighty-six million, seven hundred twenty-one thousand, one hundred forty-four".