16165011200 has 216 divisors, whose sum is σ = 43554639408. Its totient is φ = 5904138240.

The previous prime is 16165011173. The next prime is 16165011209. The reversal of 16165011200 is 211056161.

It is a super-2 number, since 2×16165011200² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16165011209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8069399 + ... + 8071401.

Almost surely, 2^16165011200 is an apocalyptic number.

16165011200 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 16165011200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21777319704).

16165011200 is an abundant number, since it is smaller than the sum of its proper divisors (27389628208).

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

16165011200 is a wasteful number, since it uses less digits than its factorization.

16165011200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139 (or 2120 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 16165011200 its reverse (211056161), we get a palindrome (16376067361).

The spelling of 16165011200 in words is "sixteen billion, one hundred sixty-five million, eleven thousand, two hundred".