396360021960216 has 48 divisors (see below), whose sum is σ = 1073475975555360. Its totient is φ = 132119894571840.

The previous prime is 396360021960211. The next prime is 396360021960271. The reversal of 396360021960216 is 612069120063693.

396360021960216 is a `hidden beast` number, since 3 + 9 + 6 + 3 + 6 + 0 + 0 + 2 + 19 + 602 + 16 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396360021960211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159863521 + ... + 162323951.

It is an arithmetic number, because the mean of its divisors is an integer number (22364082824070).

Almost surely, 2^{396360021960216} is an apocalyptic number.

396360021960216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

396360021960216 is an abundant number, since it is smaller than the sum of its proper divisors (677115953595144).

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

396360021960216 is a wasteful number, since it uses less digits than its factorization.

396360021960216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4697856 (or 4697849 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 54.

The spelling of 396360021960216 in words is "three hundred ninety-six trillion, three hundred sixty billion, twenty-one million, nine hundred sixty thousand, two hundred sixteen".