16658234938 has 16 divisors (see below), whose sum is σ = 25079362560. Its totient is φ = 8298494656.

The previous prime is 16658234911. The next prime is 16658234947. The reversal of 16658234938 is 83943285661.

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 7 ways as a sum of consecutive naturals, for example, 737253 + ... + 759511.

It is an arithmetic number, because the mean of its divisors is an integer number (1567460160).

Almost surely, 2^16658234938 is an apocalyptic number.

16658234938 is a deficient number, since it is larger than the sum of its proper divisors (8421127622).

16658234938 is a wasteful number, since it uses less digits than its factorization.

16658234938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23621.

The product of its digits is 7464960, while the sum is 55.

It can be divided in two parts, 1665823 and 4938, that added together give a palindrome (1670761).

The spelling of 16658234938 in words is "sixteen billion, six hundred fifty-eight million, two hundred thirty-four thousand, nine hundred thirty-eight".