16111388468 has 48 divisors (see below), whose sum is σ = 32565141504. Its totient is φ = 6831683040.

The previous prime is 16111388411. The next prime is 16111388471. The reversal of 16111388468 is 86488311161.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2726405 + ... + 2732307.

It is an arithmetic number, because the mean of its divisors is an integer number (678440448).

Almost surely, 2^16111388468 is an apocalyptic number.

It is an amenable number.

16111388468 is an abundant number, since it is smaller than the sum of its proper divisors (16453753036).

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

16111388468 is a wasteful number, since it uses less digits than its factorization.

16111388468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6932 (or 6930 counting only the distinct ones).

The product of its digits is 221184, while the sum is 47.

The spelling of 16111388468 in words is "sixteen billion, one hundred eleven million, three hundred eighty-eight thousand, four hundred sixty-eight".