328270819816 has 64 divisors (see below), whose sum is σ = 644199494400. Its totient is φ = 156668940288.

The previous prime is 328270819781. The next prime is 328270819817. The reversal of 328270819816 is 618918072823.

It is a super-2 number, since 2×328270819816² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (328270819817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10865980 + ... + 10896148.

It is an arithmetic number, because the mean of its divisors is an integer number (10065617100).

Almost surely, 2^328270819816 is an apocalyptic number.

It is an amenable number.

328270819816 is a deficient number, since it is larger than the sum of its proper divisors (315928674584).

328270819816 is a wasteful number, since it uses less digits than its factorization.

328270819816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30938 (or 30934 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 328270819816 in words is "three hundred twenty-eight billion, two hundred seventy million, eight hundred nineteen thousand, eight hundred sixteen".