329908807018 has 16 divisors (see below), whose sum is σ = 595324163520. Its totient is φ = 133947936576.

The previous prime is 329908807013. The next prime is 329908807043. The reversal of 329908807018 is 810708809923.

It is a self number, because there is not a number n which added to its sum of digits gives 329908807018.

It is not an unprimeable number, because it can be changed into a prime (329908807013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620129071 + ... + 620129602.

It is an arithmetic number, because the mean of its divisors is an integer number (37207760220).

Almost surely, 2^329908807018 is an apocalyptic number.

329908807018 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

329908807018 is a deficient number, since it is larger than the sum of its proper divisors (265415356502).

329908807018 is a wasteful number, since it uses less digits than its factorization.

329908807018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240258701.

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 329908807018 in words is "three hundred twenty-nine billion, nine hundred eight million, eight hundred seven thousand, eighteen".