363621663108 has 192 divisors, whose sum is σ = 1062429204480. Its totient is φ = 106550640000.

The previous prime is 363621663103. The next prime is 363621663113. The reversal of 363621663108 is 801366126363.

363621663108 is a `hidden beast` number, since 3 + 6 + 3 + 6 + 2 + 1 + 6 + 631 + 0 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (363621663103) and next prime (363621663113).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (363621663101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 59695143 + ... + 59701233.

It is an arithmetic number, because the mean of its divisors is an integer number (5533485440).

Almost surely, 2^363621663108 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 363621663108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531214602240).

363621663108 is an abundant number, since it is smaller than the sum of its proper divisors (698807541372).

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

363621663108 is a wasteful number, since it uses less digits than its factorization.

363621663108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767 (or 7759 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 363621663108 in words is "three hundred sixty-three billion, six hundred twenty-one million, six hundred sixty-three thousand, one hundred eight".