16165065037800 has 192 divisors, whose sum is σ = 57363046387200. Its totient is φ = 3688902316800.

The previous prime is 16165065037799. The next prime is 16165065037819. The reversal of 16165065037800 is 873056056161.

It is a super-2 number, since 2×16165065037800² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16165065037800.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 509106 + ... + 5708705.

It is an arithmetic number, because the mean of its divisors is an integer number (298765866600).

Almost surely, 2^{16165065037800} is an apocalyptic number.

16165065037800 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 16165065037800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28681523193600).

16165065037800 is an abundant number, since it is smaller than the sum of its proper divisors (41197981349400).

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

16165065037800 is a wasteful number, since it uses less digits than its factorization.

16165065037800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6218456 (or 6218447 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 16165065037800 in words is "sixteen trillion, one hundred sixty-five billion, sixty-five million, thirty-seven thousand, eight hundred".