16068155538 has 64 divisors (see below), whose sum is σ = 34713142272. Its totient is φ = 4947920640.

The previous prime is 16068155531. The next prime is 16068155567. The reversal of 16068155538 is 83555186061.

It is not an unprimeable number, because it can be changed into a prime (16068155531) 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 31 ways as a sum of consecutive naturals, for example, 342720 + ... + 386772.

It is an arithmetic number, because the mean of its divisors is an integer number (542392848).

Almost surely, 2^16068155538 is an apocalyptic number.

16068155538 is an abundant number, since it is smaller than the sum of its proper divisors (18644986734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16068155538 is a wasteful number, since it uses less digits than its factorization.

16068155538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44179.

The product of its (nonzero) digits is 864000, while the sum is 48.

The spelling of 16068155538 in words is "sixteen billion, sixty-eight million, one hundred fifty-five thousand, five hundred thirty-eight".