16022003400 has 288 divisors, whose sum is σ = 58090032000. Its totient is φ = 3934103040.

The previous prime is 16022003363. The next prime is 16022003423. The reversal of 16022003400 is 430022061.

It is a happy number.

16022003400 is a `hidden beast` number, since 1 + 60 + 2 + 200 + 3 + 400 = 666.

It is a super-2 number, since 2×16022003400² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15420081 + ... + 15421119.

It is an arithmetic number, because the mean of its divisors is an integer number (201701500).

Almost surely, 2^16022003400 is an apocalyptic number.

16022003400 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 16022003400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29045016000).

16022003400 is an abundant number, since it is smaller than the sum of its proper divisors (42068028600).

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

16022003400 is a wasteful number, since it uses less digits than its factorization.

16022003400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1721 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 16022003400 its reverse (430022061), we get a palindrome (16452025461).

It can be divided in two parts, 1602 and 2003400, that added together give a palindrome (2005002).

The spelling of 16022003400 in words is "sixteen billion, twenty-two million, three thousand, four hundred".