16046121361 has 4 divisors (see below), whose sum is σ = 16083179812. Its totient is φ = 16009062912.

The previous prime is 16046121277. The next prime is 16046121397. The reversal of 16046121361 is 16312164061.

16046121361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5448654225 + 10597467136 = 73815^2 + 102944^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16046121361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16046121061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18528576 + ... + 18529441.

It is an arithmetic number, because the mean of its divisors is an integer number (4020794953).

Almost surely, 2^16046121361 is an apocalyptic number.

It is an amenable number.

16046121361 is a deficient number, since it is larger than the sum of its proper divisors (37058451).

16046121361 is an equidigital number, since it uses as much as digits as its factorization.

16046121361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37058450.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 16046121361 in words is "sixteen billion, forty-six million, one hundred twenty-one thousand, three hundred sixty-one".