16389155068 has 24 divisors (see below), whose sum is σ = 33695187120. Its totient is φ = 6876568320.

The previous prime is 16389155047. The next prime is 16389155117. The reversal of 16389155068 is 86055198361.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

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, 14325613 + ... + 14326756.

It is an arithmetic number, because the mean of its divisors is an integer number (1403966130).

Almost surely, 2^16389155068 is an apocalyptic number.

It is an amenable number.

16389155068 is an abundant number, since it is smaller than the sum of its proper divisors (17306032052).

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

16389155068 is a wasteful number, since it uses less digits than its factorization.

16389155068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28652397 (or 28652395 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 16389155068 in words is "sixteen billion, three hundred eighty-nine million, one hundred fifty-five thousand, sixty-eight".