331636016 has 80 divisors (see below), whose sum is σ = 687122688. Its totient is φ = 154828800.

The previous prime is 331635977. The next prime is 331636027. The reversal of 331636016 is 610636133.

It is a self number, because there is not a number n which added to its sum of digits gives 331636016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2934776 + ... + 2934888.

Almost surely, 2^331636016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331636016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343561344).

331636016 is an abundant number, since it is smaller than the sum of its proper divisors (355486672).

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

331636016 is a wasteful number, since it uses less digits than its factorization.

331636016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 331636016 is about 18210.8763106008. The cubic root of 331636016 is about 692.1824170766.

The spelling of 331636016 in words is "three hundred thirty-one million, six hundred thirty-six thousand, sixteen".