16004993936 has 20 divisors (see below), whose sum is σ = 31103370864. Its totient is φ = 7978317600.

The previous prime is 16004993869. The next prime is 16004993959. The reversal of 16004993936 is 63939940061.

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, 1505750 + ... + 1516341.

Almost surely, 2^16004993936 is an apocalyptic number.

16004993936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16004993936 is a deficient number, since it is larger than the sum of its proper divisors (15098376928).

16004993936 is a wasteful number, since it uses less digits than its factorization.

16004993936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022430 (or 3022424 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 50.

The spelling of 16004993936 in words is "sixteen billion, four million, nine hundred ninety-three thousand, nine hundred thirty-six".