329856806216 has 32 divisors (see below), whose sum is σ = 729637178880. Its totient is φ = 136806969600.

The previous prime is 329856806137. The next prime is 329856806219. The reversal of 329856806216 is 612608658923.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is not an unprimeable number, because it can be changed into a prime (329856806219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95003105 + ... + 95006576.

It is an arithmetic number, because the mean of its divisors is an integer number (22801161840).

Almost surely, 2^329856806216 is an apocalyptic number.

It is an amenable number.

329856806216 is an abundant number, since it is smaller than the sum of its proper divisors (399780372664).

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

329856806216 is a wasteful number, since it uses less digits than its factorization.

329856806216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190009725 (or 190009721 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 56.

The spelling of 329856806216 in words is "three hundred twenty-nine billion, eight hundred fifty-six million, eight hundred six thousand, two hundred sixteen".