16519983007 has 16 divisors (see below), whose sum is σ = 18387889920. Its totient is φ = 14715691200.

The previous prime is 16519982971. The next prime is 16519983017. The reversal of 16519983007 is 70038991561.

It is a cyclic number.

It is not a de Polignac number, because 16519983007 - 2¹¹ = 16519980959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16519983017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62419 + ... + 192187.

It is an arithmetic number, because the mean of its divisors is an integer number (1149243120).

Almost surely, 2^16519983007 is an apocalyptic number.

16519983007 is a deficient number, since it is larger than the sum of its proper divisors (1867906913).

16519983007 is a wasteful number, since it uses less digits than its factorization.

16519983007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130014.

The product of its (nonzero) digits is 408240, while the sum is 49.

The spelling of 16519983007 in words is "sixteen billion, five hundred nineteen million, nine hundred eighty-three thousand, seven".