326226251216 has 10 divisors (see below), whose sum is σ = 632063361762. Its totient is φ = 163113125600.

The previous prime is 326226251207. The next prime is 326226251257. The reversal of 326226251216 is 612152622623.

It can be written as a sum of positive squares in only one way, i.e., 183009417616 + 143216833600 = 427796^2 + 378440^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 326226251216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10194570335 + ... + 10194570366.

Almost surely, 2^326226251216 is an apocalyptic number.

It is an amenable number.

326226251216 is a deficient number, since it is larger than the sum of its proper divisors (305837110546).

326226251216 is a wasteful number, since it uses less digits than its factorization.

326226251216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20389140709 (or 20389140703 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

Adding to 326226251216 its reverse (612152622623), we get a palindrome (938378873839).

The spelling of 326226251216 in words is "three hundred twenty-six billion, two hundred twenty-six million, two hundred fifty-one thousand, two hundred sixteen".