328645510099632 has 80 divisors (see below), whose sum is σ = 1029092001336960. Its totient is φ = 99589548513600.

The previous prime is 328645510099597. The next prime is 328645510099679. The reversal of 328645510099632 is 236990015546823.

It is a happy number.

328645510099632 is a `hidden beast` number, since 3 + 2 + 86 + 4 + 5 + 510 + 0 + 9 + 9 + 6 + 32 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 328645510099632.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34579699594 + ... + 34579709097.

It is an arithmetic number, because the mean of its divisors is an integer number (12863650016712).

Almost surely, 2^{328645510099632} is an apocalyptic number.

It is an amenable number.

328645510099632 is an abundant number, since it is smaller than the sum of its proper divisors (700446491237328).

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

328645510099632 is a wasteful number, since it uses less digits than its factorization.

328645510099632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69159408719 (or 69159408707 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 328645510099632 in words is "three hundred twenty-eight trillion, six hundred forty-five billion, five hundred ten million, ninety-nine thousand, six hundred thirty-two".