16051013220 has 288 divisors, whose sum is σ = 52941901824. Its totient is φ = 3599481600.

The previous prime is 16051013161. The next prime is 16051013263. The reversal of 16051013220 is 2231015061.

It is a super-2 number, since 2×16051013220² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10822599 + ... + 10824081.

It is an arithmetic number, because the mean of its divisors is an integer number (183826048).

Almost surely, 2^16051013220 is an apocalyptic number.

16051013220 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 16051013220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26470950912).

16051013220 is an abundant number, since it is smaller than the sum of its proper divisors (36890888604).

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

16051013220 is a wasteful number, since it uses less digits than its factorization.

16051013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583 (or 1558 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 16051013220 its reverse (2231015061), we get a palindrome (18282028281).

It can be divided in two parts, 1605101 and 3220, that added together give a triangular number (1608321 = T₁₇₉₃).

The spelling of 16051013220 in words is "sixteen billion, fifty-one million, thirteen thousand, two hundred twenty".