328666496730 has 768 divisors, whose sum is σ = 1029574748160. Its totient is φ = 66313728000.

The previous prime is 328666496707. The next prime is 328666496747. The reversal of 328666496730 is 37694666823.

It is a happy number.

It is a super-2 number, since 2×328666496730² (a number of 24 digits) contains 22 as substring.

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 383 ways as a sum of consecutive naturals, for example, 3254123680 + ... + 3254123780.

It is an arithmetic number, because the mean of its divisors is an integer number (1340592120).

Almost surely, 2^328666496730 is an apocalyptic number.

328666496730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 328666496730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514787374080).

328666496730 is an abundant number, since it is smaller than the sum of its proper divisors (700908251430).

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

328666496730 is a wasteful number, since it uses less digits than its factorization.

328666496730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 60.

The spelling of 328666496730 in words is "three hundred twenty-eight billion, six hundred sixty-six million, four hundred ninety-six thousand, seven hundred thirty".