326016043542431 has 16 divisors (see below), whose sum is σ = 360709564953600. Its totient is φ = 292166214832800.

The previous prime is 326016043542317. The next prime is 326016043542433. The reversal of 326016043542431 is 134245340610623.

It is not a de Polignac number, because 326016043542431 - 2²² = 326016039348127 is a prime.

It is a super-2 number, since 2×326016043542431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326016043542433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20840216 + ... + 32959773.

It is an arithmetic number, because the mean of its divisors is an integer number (22544347809600).

Almost surely, 2^{326016043542431} is an apocalyptic number.

326016043542431 is a deficient number, since it is larger than the sum of its proper divisors (34693521411169).

326016043542431 is a wasteful number, since it uses less digits than its factorization.

326016043542431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53807830.

The product of its (nonzero) digits is 1244160, while the sum is 44.

The spelling of 326016043542431 in words is "three hundred twenty-six trillion, sixteen billion, forty-three million, five hundred forty-two thousand, four hundred thirty-one".