16893655138 has 16 divisors (see below), whose sum is σ = 26036377920. Its totient is φ = 8215055856.

The previous prime is 16893655133. The next prime is 16893655139. The reversal of 16893655138 is 83155639861.

It is not an unprimeable number, because it can be changed into a prime (16893655133) by changing a digit.

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, 132193 + ... + 226411.

It is an arithmetic number, because the mean of its divisors is an integer number (1627273620).

Almost surely, 2^16893655138 is an apocalyptic number.

16893655138 is a deficient number, since it is larger than the sum of its proper divisors (9142722782).

16893655138 is a wasteful number, since it uses less digits than its factorization.

16893655138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96681.

The product of its digits is 4665600, while the sum is 55.

The spelling of 16893655138 in words is "sixteen billion, eight hundred ninety-three million, six hundred fifty-five thousand, one hundred thirty-eight".