326665497896 has 16 divisors (see below), whose sum is σ = 614072358900. Its totient is φ = 162912868864.

The previous prime is 326665497889. The next prime is 326665497901. The reversal of 326665497896 is 698794566623.

It can be written as a sum of positive squares in 2 ways, for example, as 268753075396 + 57912422500 = 518414^2 + 240650^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52481705 + ... + 52487928.

Almost surely, 2^326665497896 is an apocalyptic number.

It is an amenable number.

326665497896 is a deficient number, since it is larger than the sum of its proper divisors (287406861004).

326665497896 is a wasteful number, since it uses less digits than its factorization.

326665497896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104970028 (or 104970024 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 71.

The spelling of 326665497896 in words is "three hundred twenty-six billion, six hundred sixty-five million, four hundred ninety-seven thousand, eight hundred ninety-six".