16245342125 has 8 divisors (see below), whose sum is σ = 20274187128. Its totient is φ = 12996273600.

The previous prime is 16245342107. The next prime is 16245342143. The reversal of 16245342125 is 52124354261.

It is an interprime number because it is at equal distance from previous prime (16245342107) and next prime (16245342143).

It can be written as a sum of positive squares in 4 ways, for example, as 162537001 + 16082805124 = 12749^2 + 126818^2 .

It is not a de Polignac number, because 16245342125 - 2²⁴ = 16228564909 is a prime.

It is a super-2 number, since 2×16245342125² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64981244 + ... + 64981493.

It is an arithmetic number, because the mean of its divisors is an integer number (2534273391).

Almost surely, 2^16245342125 is an apocalyptic number.

It is an amenable number.

16245342125 is a deficient number, since it is larger than the sum of its proper divisors (4028845003).

16245342125 is an equidigital number, since it uses as much as digits as its factorization.

16245342125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129962752 (or 129962742 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

Adding to 16245342125 its reverse (52124354261), we get a palindrome (68369696386).

The spelling of 16245342125 in words is "sixteen billion, two hundred forty-five million, three hundred forty-two thousand, one hundred twenty-five".