16238205125 has 16 divisors (see below), whose sum is σ = 21331876800. Its totient is φ = 12306848400.

The previous prime is 16238205101. The next prime is 16238205173. The reversal of 16238205125 is 52150283261.

It is not a de Polignac number, because 16238205125 - 2²⁰ = 16237156549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3416195 + ... + 3420944.

It is an arithmetic number, because the mean of its divisors is an integer number (1333242300).

Almost surely, 2^16238205125 is an apocalyptic number.

It is an amenable number.

16238205125 is a deficient number, since it is larger than the sum of its proper divisors (5093671675).

16238205125 is an equidigital number, since it uses as much as digits as its factorization.

16238205125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837173 (or 6837163 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

Adding to 16238205125 its reverse (52150283261), we get a palindrome (68388488386).

The spelling of 16238205125 in words is "sixteen billion, two hundred thirty-eight million, two hundred five thousand, one hundred twenty-five".