16449336536 has 16 divisors (see below), whose sum is σ = 30854503800. Its totient is φ = 8221468864.

The previous prime is 16449336503. The next prime is 16449336559. The reversal of 16449336536 is 63563394461.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 378005 + ... + 419268.

Almost surely, 2^16449336536 is an apocalyptic number.

It is an amenable number.

16449336536 is a deficient number, since it is larger than the sum of its proper divisors (14405167264).

16449336536 is a wasteful number, since it uses less digits than its factorization.

16449336536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799858 (or 799854 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 50.

The spelling of 16449336536 in words is "sixteen billion, four hundred forty-nine million, three hundred thirty-six thousand, five hundred thirty-six".