16118928538 has 16 divisors (see below), whose sum is σ = 25062300000. Its totient is φ = 7765943472.

The previous prime is 16118928523. The next prime is 16118928571. The reversal of 16118928538 is 83582981161.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249528 + ... + 307411.

It is an arithmetic number, because the mean of its divisors is an integer number (1566393750).

Almost surely, 2^16118928538 is an apocalyptic number.

16118928538 is a deficient number, since it is larger than the sum of its proper divisors (8943371462).

16118928538 is a wasteful number, since it uses less digits than its factorization.

16118928538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557469.

The product of its digits is 829440, while the sum is 52.

The spelling of 16118928538 in words is "sixteen billion, one hundred eighteen million, nine hundred twenty-eight thousand, five hundred thirty-eight".