396363998180016 has 120 divisors (see below), whose sum is σ = 1115855117219024. Its totient is φ = 131337444349440.

The previous prime is 396363998179973. The next prime is 396363998180047. The reversal of 396363998180016 is 610081899363693.

396363998180016 is a `hidden beast` number, since 3 + 96 + 363 + 9 + 98 + 1 + 80 + 0 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60397875 + ... + 66638061.

Almost surely, 2^{396363998180016} is an apocalyptic number.

396363998180016 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396363998180016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (557927558609512).

396363998180016 is an abundant number, since it is smaller than the sum of its proper divisors (719491119039008).

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

396363998180016 is a wasteful number, since it uses less digits than its factorization.

396363998180016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6242819 (or 6242810 counting only the distinct ones).

The product of its (nonzero) digits is 272097792, while the sum is 72.

The spelling of 396363998180016 in words is "three hundred ninety-six trillion, three hundred sixty-three billion, nine hundred ninety-eight million, one hundred eighty thousand, sixteen".