328810716690 has 32 divisors (see below), whose sum is σ = 789286467456. Its totient is φ = 87667219200.

The previous prime is 328810716677. The next prime is 328810716721. The reversal of 328810716690 is 96617018823.

328810716690 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×328810716690² (a number of 24 digits) contains 22 as substring.

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, 805911 + ... + 1143290.

It is an arithmetic number, because the mean of its divisors is an integer number (24665202108).

Almost surely, 2^328810716690 is an apocalyptic number.

328810716690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

328810716690 is an abundant number, since it is smaller than the sum of its proper divisors (460475750766).

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

328810716690 is a wasteful number, since it uses less digits than its factorization.

328810716690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1954834.

The product of its (nonzero) digits is 870912, while the sum is 51.

It can be divided in two parts, 328 and 810716690, that added together give a palindrome (810717018).

The spelling of 328810716690 in words is "three hundred twenty-eight billion, eight hundred ten million, seven hundred sixteen thousand, six hundred ninety".