396206665216 has 40 divisors (see below), whose sum is σ = 794437092504. Its totient is φ = 197403248640.

The previous prime is 396206665193. The next prime is 396206665271. The reversal of 396206665216 is 612566602693.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222315 + ... + 1512106.

Almost surely, 2^396206665216 is an apocalyptic number.

It is an amenable number.

396206665216 is an abundant number, since it is smaller than the sum of its proper divisors (398230427288).

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

396206665216 is an equidigital number, since it uses as much as digits as its factorization.

396206665216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734722 (or 2734706 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 396206665216 in words is "three hundred ninety-six billion, two hundred six million, six hundred sixty-five thousand, two hundred sixteen".