326644531201 has 8 divisors (see below), whose sum is σ = 336156024384. Its totient is φ = 317168999280.

The previous prime is 326644531193. The next prime is 326644531229. The reversal of 326644531201 is 102135446623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 326644531201 - 2³ = 326644531193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326644531261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8971885 + ... + 9008218.

It is an arithmetic number, because the mean of its divisors is an integer number (42019503048).

Almost surely, 2^326644531201 is an apocalyptic number.

It is an amenable number.

326644531201 is a deficient number, since it is larger than the sum of its proper divisors (9511493183).

326644531201 is a wasteful number, since it uses less digits than its factorization.

326644531201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17980631.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 326644531201 its reverse (102135446623), we get a palindrome (428779977824).

The spelling of 326644531201 in words is "three hundred twenty-six billion, six hundred forty-four million, five hundred thirty-one thousand, two hundred one".