326113556 has 6 divisors (see below), whose sum is σ = 570698730. Its totient is φ = 163056776.

The previous prime is 326113493. The next prime is 326113561. The reversal of 326113556 is 655311623.

It can be written as a sum of positive squares in only one way, i.e., 286624900 + 39488656 = 16930^2 + 6284^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40764191 + ... + 40764198.

It is an arithmetic number, because the mean of its divisors is an integer number (95116455).

Almost surely, 2^326113556 is an apocalyptic number.

It is an amenable number.

326113556 is a deficient number, since it is larger than the sum of its proper divisors (244585174).

326113556 is a wasteful number, since it uses less digits than its factorization.

326113556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81528393 (or 81528391 counting only the distinct ones).

The product of its digits is 16200, while the sum is 32.

The square root of 326113556 is about 18058.6144540493. The cubic root of 326113556 is about 688.3187774824.

The spelling of 326113556 in words is "three hundred twenty-six million, one hundred thirteen thousand, five hundred fifty-six".