328481554686 has 8 divisors (see below), whose sum is σ = 656963109384. Its totient is φ = 109493851560.

The previous prime is 328481554679. The next prime is 328481554693. The reversal of 328481554686 is 686455184823.

It is an interprime number because it is at equal distance from previous prime (328481554679) and next prime (328481554693).

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

328481554686 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27373462885 + ... + 27373462896.

It is an arithmetic number, because the mean of its divisors is an integer number (82120388673).

Almost surely, 2^328481554686 is an apocalyptic number.

328481554686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

328481554686 is a wasteful number, since it uses less digits than its factorization.

328481554686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54746925786.

The product of its digits is 44236800, while the sum is 60.

The spelling of 328481554686 in words is "three hundred twenty-eight billion, four hundred eighty-one million, five hundred fifty-four thousand, six hundred eighty-six".