16042689500 has 48 divisors (see below), whose sum is σ = 35101885728. Its totient is φ = 6405235200.

The previous prime is 16042689479. The next prime is 16042689517. The reversal of 16042689500 is 598624061.

It is a happy number.

16042689500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244172 + ... + 302828.

It is an arithmetic number, because the mean of its divisors is an integer number (731289286).

Almost surely, 2^16042689500 is an apocalyptic number.

16042689500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16042689500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17550942864).

16042689500 is an abundant number, since it is smaller than the sum of its proper divisors (19059196228).

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

16042689500 is a wasteful number, since it uses less digits than its factorization.

16042689500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59223 (or 59211 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 16042689500 in words is "sixteen billion, forty-two million, six hundred eighty-nine thousand, five hundred".