3681600000 has 480 divisors, whose sum is σ = 13426015680. Its totient is φ = 890880000.

The previous prime is 3681599993. The next prime is 3681600001. The reversal of 3681600000 is 61863.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681600001) 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, 62399971 + ... + 62400029.

It is an arithmetic number, because the mean of its divisors is an integer number (27970866).

Almost surely, 2^3681600000 is an apocalyptic number.

3681600000 is a gapful number since it is divisible by the number (30) 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 3681600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6713007840).

3681600000 is an abundant number, since it is smaller than the sum of its proper divisors (9744415680).

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

3681600000 is an frugal number, since it uses more digits than its factorization.

3681600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 3681600000 is about 60676.1897287560. The cubic root of 3681600000 is about 1544.1122454126.

Adding to 3681600000 its reverse (61863), we get a palindrome (3681661863).

The spelling of 3681600000 in words is "three billion, six hundred eighty-one million, six hundred thousand".