363818181216 has 384 divisors, whose sum is σ = 1169896089600. Its totient is φ = 96737034240.

The previous prime is 363818181187. The next prime is 363818181271. The reversal of 363818181216 is 612181818363.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 360572520 + ... + 360573528.

It is an arithmetic number, because the mean of its divisors is an integer number (3046604400).

Almost surely, 2^363818181216 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 363818181216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584948044800).

363818181216 is an abundant number, since it is smaller than the sum of its proper divisors (806077908384).

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

363818181216 is a wasteful number, since it uses less digits than its factorization.

363818181216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1654 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

Adding to 363818181216 its reverse (612181818363), we get a palindrome (975999999579).

The spelling of 363818181216 in words is "three hundred sixty-three billion, eight hundred eighteen million, one hundred eighty-one thousand, two hundred sixteen".