16576442404 has 6 divisors (see below), whose sum is σ = 29008774214. Its totient is φ = 8288221200.

The previous prime is 16576442387. The next prime is 16576442459. The reversal of 16576442404 is 40424467561.

It can be written as a sum of positive squares in only one way, i.e., 14555939904 + 2020502500 = 120648^2 + 44950^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072055297 + ... + 2072055304.

Almost surely, 2^16576442404 is an apocalyptic number.

It is an amenable number.

16576442404 is a deficient number, since it is larger than the sum of its proper divisors (12432331810).

16576442404 is a wasteful number, since it uses less digits than its factorization.

16576442404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4144110605 (or 4144110603 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 16576442404 in words is "sixteen billion, five hundred seventy-six million, four hundred forty-two thousand, four hundred four".