329960565396 has 144 divisors (see below), whose sum is σ = 1040094776448. Its totient is φ = 85685990400.

The previous prime is 329960565383. The next prime is 329960565401. The reversal of 329960565396 is 693565069923.

329960565396 is a `hidden beast` number, since 3 + 2 + 9 + 9 + 60 + 565 + 3 + 9 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 17623336 + ... + 17642048.

It is an arithmetic number, because the mean of its divisors is an integer number (7222880392).

Almost surely, 2^329960565396 is an apocalyptic number.

329960565396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 329960565396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520047388224).

329960565396 is an abundant number, since it is smaller than the sum of its proper divisors (710134211052).

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

329960565396 is a wasteful number, since it uses less digits than its factorization.

329960565396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25102 (or 25097 counting only the distinct ones).

The product of its (nonzero) digits is 70858800, while the sum is 63.

The spelling of 329960565396 in words is "three hundred twenty-nine billion, nine hundred sixty million, five hundred sixty-five thousand, three hundred ninety-six".