16051111000 has 128 divisors (see below), whose sum is σ = 40617158400. Its totient is φ = 5913907200.

The previous prime is 16051110997. The next prime is 16051111019. The reversal of 16051111000 is 11115061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788956 + ... + 809044.

It is an arithmetic number, because the mean of its divisors is an integer number (317321550).

Almost surely, 2^16051111000 is an apocalyptic number.

16051111000 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 16051111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20308579200).

16051111000 is an abundant number, since it is smaller than the sum of its proper divisors (24566047400).

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

16051111000 is a wasteful number, since it uses less digits than its factorization.

16051111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20174 (or 20160 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 16.

Adding to 16051111000 its reverse (11115061), we get a palindrome (16062226061).

The spelling of 16051111000 in words is "sixteen billion, fifty-one million, one hundred eleven thousand".