326644103011 has 16 divisors (see below), whose sum is σ = 343788933600. Its totient is φ = 309896149248.

The previous prime is 326644102991. The next prime is 326644103033. The reversal of 326644103011 is 110301446623.

It is a happy number.

It is not a de Polignac number, because 326644103011 - 2⁵ = 326644102979 is a prime.

It is a super-2 number, since 2×326644103011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326644103041) 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, 3881695 + ... + 3964951.

It is an arithmetic number, because the mean of its divisors is an integer number (21486808350).

Almost surely, 2^326644103011 is an apocalyptic number.

326644103011 is a deficient number, since it is larger than the sum of its proper divisors (17144830589).

326644103011 is a wasteful number, since it uses less digits than its factorization.

326644103011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85638.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 326644103011 its reverse (110301446623), we get a palindrome (436945549634).

The spelling of 326644103011 in words is "three hundred twenty-six billion, six hundred forty-four million, one hundred three thousand, eleven".