326916422655 has 16 divisors (see below), whose sum is σ = 523280093184. Its totient is φ = 174284153120.

The previous prime is 326916422587. The next prime is 326916422659. The reversal of 326916422655 is 556224619623.

It is not a de Polignac number, because 326916422655 - 2⁷ = 326916422527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 326916422598 and 326916422607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326916422659) 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, 4416591 + ... + 4490000.

It is an arithmetic number, because the mean of its divisors is an integer number (32705005824).

Almost surely, 2^326916422655 is an apocalyptic number.

326916422655 is a deficient number, since it is larger than the sum of its proper divisors (196363670529).

326916422655 is a wasteful number, since it uses less digits than its factorization.

326916422655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8909046.

The product of its digits is 4665600, while the sum is 51.

The spelling of 326916422655 in words is "three hundred twenty-six billion, nine hundred sixteen million, four hundred twenty-two thousand, six hundred fifty-five".