329990888506 has 8 divisors (see below), whose sum is σ = 494996765940. Its totient is φ = 164991966528.

The previous prime is 329990888489. The next prime is 329990888527. The reversal of 329990888506 is 605888099923.

It can be written as a sum of positive squares in 2 ways, for example, as 287805425625 + 42185462881 = 536475^2 + 205391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1618591 + ... + 1811026.

Almost surely, 2^329990888506 is an apocalyptic number.

329990888506 is a deficient number, since it is larger than the sum of its proper divisors (165005877434).

329990888506 is a wasteful number, since it uses less digits than its factorization.

329990888506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477728.

The product of its (nonzero) digits is 67184640, while the sum is 67.

The spelling of 329990888506 in words is "three hundred twenty-nine billion, nine hundred ninety million, eight hundred eighty-eight thousand, five hundred six".