16375052641265 has 4 divisors (see below), whose sum is σ = 19650063169524. Its totient is φ = 13100042113008.

The previous prime is 16375052641243. The next prime is 16375052641279. The reversal of 16375052641265 is 56214625057361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4549108842496 + 11825943798769 = 2132864^2 + 3438887^2 .

It is a cyclic number.

It is not a de Polignac number, because 16375052641265 - 2¹² = 16375052637169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637505264122 + ... + 1637505264131.

It is an arithmetic number, because the mean of its divisors is an integer number (4912515792381).

Almost surely, 2^{16375052641265} is an apocalyptic number.

It is an amenable number.

16375052641265 is a deficient number, since it is larger than the sum of its proper divisors (3275010528259).

16375052641265 is an equidigital number, since it uses as much as digits as its factorization.

16375052641265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275010528258.

The product of its (nonzero) digits is 9072000, while the sum is 53.

The spelling of 16375052641265 in words is "sixteen trillion, three hundred seventy-five billion, fifty-two million, six hundred forty-one thousand, two hundred sixty-five".