1663331560200 has 192 divisors, whose sum is σ = 5759252812800. Its totient is φ = 441232531200.

The previous prime is 1663331560199. The next prime is 1663331560207. The reversal of 1663331560200 is 20651333661.

1663331560200 is a `hidden beast` number, since 1 + 6 + 6 + 3 + 33 + 15 + 602 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1663331560207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225054 + ... + 1837746.

It is an arithmetic number, because the mean of its divisors is an integer number (29996108400).

Almost surely, 2^{1663331560200} is an apocalyptic number.

1663331560200 is a gapful number since it is divisible by the number (10) 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 1663331560200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2879626406400).

1663331560200 is an abundant number, since it is smaller than the sum of its proper divisors (4095921252600).

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

1663331560200 is a wasteful number, since it uses less digits than its factorization.

1663331560200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612909 (or 1612894 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

Adding to 1663331560200 its reverse (20651333661), we get a palindrome (1683982893861).

The spelling of 1663331560200 in words is "one trillion, six hundred sixty-three billion, three hundred thirty-one million, five hundred sixty thousand, two hundred".