16012323461 has 4 divisors (see below), whose sum is σ = 16014900300. Its totient is φ = 16009746624.

The previous prime is 16012323373. The next prime is 16012323529. The reversal of 16012323461 is 16432321061.

16012323461 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 12929964100 + 3082359361 = 113710^2 + 55519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16012323461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16012323361) 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, 1279076 + ... + 1291533.

It is an arithmetic number, because the mean of its divisors is an integer number (4003725075).

Almost surely, 2^16012323461 is an apocalyptic number.

It is an amenable number.

16012323461 is a deficient number, since it is larger than the sum of its proper divisors (2576839).

16012323461 is an equidigital number, since it uses as much as digits as its factorization.

16012323461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576838.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 16012323461 in words is "sixteen billion, twelve million, three hundred twenty-three thousand, four hundred sixty-one".