16145252345165 has 8 divisors (see below), whose sum is σ = 19846846785528. Its totient is φ = 12601172561920.

The previous prime is 16145252345129. The next prime is 16145252345203. The reversal of 16145252345165 is 56154325254161.

It can be written as a sum of positive squares in 4 ways, for example, as 324738140164 + 15820514205001 = 569858^2 + 3977501^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16145252345165 - 2¹⁰ = 16145252344141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39378664052 + ... + 39378664461.

It is an arithmetic number, because the mean of its divisors is an integer number (2480855848191).

Almost surely, 2^{16145252345165} is an apocalyptic number.

It is an amenable number.

16145252345165 is a deficient number, since it is larger than the sum of its proper divisors (3701594440363).

16145252345165 is an equidigital number, since it uses as much as digits as its factorization.

16145252345165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78757328559.

The product of its digits is 4320000, while the sum is 50.

The spelling of 16145252345165 in words is "sixteen trillion, one hundred forty-five billion, two hundred fifty-two million, three hundred forty-five thousand, one hundred sixty-five".