16553588194 has 144 divisors (see below), whose sum is σ = 32410785960. Its totient is φ = 6303897600.

The previous prime is 16553588179. The next prime is 16553588201. The reversal of 16553588194 is 49188535561.

It can be written as a sum of positive squares in 12 ways, for example, as 32341969 + 16521246225 = 5687^2 + 128535^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20162304 + ... + 20163124.

Almost surely, 2^16553588194 is an apocalyptic number.

16553588194 is a deficient number, since it is larger than the sum of its proper divisors (15857197766).

16553588194 is a wasteful number, since it uses less digits than its factorization.

16553588194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 893 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 55.

The spelling of 16553588194 in words is "sixteen billion, five hundred fifty-three million, five hundred eighty-eight thousand, one hundred ninety-four".