320985201606 has 8 divisors (see below), whose sum is σ = 641970403224. Its totient is φ = 106995067200.

The previous prime is 320985201527. The next prime is 320985201617. The reversal of 320985201606 is 606102589023.

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

320985201606 is an admirable number.

It is a congruent number.

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, 26748766795 + ... + 26748766806.

It is an arithmetic number, because the mean of its divisors is an integer number (80246300403).

Almost surely, 2^320985201606 is an apocalyptic number.

320985201606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

320985201606 is a wasteful number, since it uses less digits than its factorization.

320985201606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53497533606.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 320985201606 in words is "three hundred twenty billion, nine hundred eighty-five million, two hundred one thousand, six hundred six".