16003345200 has 120 divisors (see below), whose sum is σ = 51312602688. Its totient is φ = 4263517440.

The previous prime is 16003345159. The next prime is 16003345219. The reversal of 16003345200 is 254330061.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×16003345200² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1389867 + ... + 1401333.

Almost surely, 2^16003345200 is an apocalyptic number.

16003345200 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 16003345200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25656301344).

16003345200 is an abundant number, since it is smaller than the sum of its proper divisors (35309257488).

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

16003345200 is a wasteful number, since it uses less digits than its factorization.

16003345200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12651 (or 12640 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 16003345200 its reverse (254330061), we get a palindrome (16257675261).

The spelling of 16003345200 in words is "sixteen billion, three million, three hundred forty-five thousand, two hundred".