16545651600125 has 16 divisors (see below), whose sum is σ = 20768331450672. Its totient is φ = 13160009579200.

The previous prime is 16545651600089. The next prime is 16545651600157. The reversal of 16545651600125 is 52100615654561.

It can be written as a sum of positive squares in 8 ways, for example, as 62188996 + 16545589411129 = 7886^2 + 4067627^2 .

It is not a de Polignac number, because 16545651600125 - 2¹² = 16545651596029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16545651600125.

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, 382536794 + ... + 382580043.

It is an arithmetic number, because the mean of its divisors is an integer number (1298020715667).

Almost surely, 2^{16545651600125} is an apocalyptic number.

It is an amenable number.

16545651600125 is a deficient number, since it is larger than the sum of its proper divisors (4222679850547).

16545651600125 is an equidigital number, since it uses as much as digits as its factorization.

16545651600125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765117025 (or 765117015 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 47.

The spelling of 16545651600125 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-one million, six hundred thousand, one hundred twenty-five".