16031312641 has 8 divisors (see below), whose sum is σ = 16577581824. Its totient is φ = 15494072880.

The previous prime is 16031312623. The next prime is 16031312657. The reversal of 16031312641 is 14621313061.

16031312641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 16031312641 - 2¹¹ = 16031310593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16031312741) 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 7 ways as a sum of consecutive naturals, for example, 2253745 + ... + 2260846.

It is an arithmetic number, because the mean of its divisors is an integer number (2072197728).

Almost surely, 2^16031312641 is an apocalyptic number.

It is an amenable number.

16031312641 is a deficient number, since it is larger than the sum of its proper divisors (546269183).

16031312641 is an equidigital number, since it uses as much as digits as its factorization.

16031312641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514711.

The product of its (nonzero) digits is 2592, while the sum is 28.

It can be divided in two parts, 16031312 and 641, that added together give a triangular number (16031953 = T₅₆₆₂).

The spelling of 16031312641 in words is "sixteen billion, thirty-one million, three hundred twelve thousand, six hundred forty-one".