16230205992 has 768 divisors, whose sum is σ = 60857395200. Its totient is φ = 3471206400.

The previous prime is 16230205987. The next prime is 16230206053. The reversal of 16230205992 is 29950203261.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 16230205992.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 438654198 + ... + 438654234.

It is an arithmetic number, because the mean of its divisors is an integer number (79241400).

Almost surely, 2^16230205992 is an apocalyptic number.

16230205992 is a gapful number since it is divisible by the number (12) 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 16230205992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30428697600).

16230205992 is an abundant number, since it is smaller than the sum of its proper divisors (44627189208).

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

16230205992 is a wasteful number, since it uses less digits than its factorization.

16230205992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

It can be divided in two parts, 16230 and 205992, that added together give a palindrome (222222).

The spelling of 16230205992 in words is "sixteen billion, two hundred thirty million, two hundred five thousand, nine hundred ninety-two".