16555489124 has 48 divisors (see below), whose sum is σ = 29990653056. Its totient is φ = 7990560000.

The previous prime is 16555489123. The next prime is 16555489129. The reversal of 16555489124 is 42198455561.

It is not an unprimeable number, because it can be changed into a prime (16555489123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11552312 + ... + 11553744.

It is an arithmetic number, because the mean of its divisors is an integer number (624805272).

Almost surely, 2^16555489124 is an apocalyptic number.

It is an amenable number.

16555489124 is a deficient number, since it is larger than the sum of its proper divisors (13435163932).

16555489124 is a wasteful number, since it uses less digits than its factorization.

16555489124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036 (or 2034 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 50.

The spelling of 16555489124 in words is "sixteen billion, five hundred fifty-five million, four hundred eighty-nine thousand, one hundred twenty-four".