326655561232 has 160 divisors (see below), whose sum is σ = 852296949504. Its totient is φ = 117127987200.

The previous prime is 326655561203. The next prime is 326655561257. The reversal of 326655561232 is 232165556623.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5367132 + ... + 5427652.

Almost surely, 2^326655561232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326655561232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426148474752).

326655561232 is an abundant number, since it is smaller than the sum of its proper divisors (525641388272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326655561232 is a wasteful number, since it uses less digits than its factorization.

326655561232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60897 (or 60891 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 46.

The spelling of 326655561232 in words is "three hundred twenty-six billion, six hundred fifty-five million, five hundred sixty-one thousand, two hundred thirty-two".