3655681417120 has 96 divisors (see below), whose sum is σ = 9145281112128. Its totient is φ = 1376150949888.

The previous prime is 3655681417097. The next prime is 3655681417121. The reversal of 3655681417120 is 217141865563.

It is not an unprimeable number, because it can be changed into a prime (3655681417121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41591139 + ... + 41678941.

It is an arithmetic number, because the mean of its divisors is an integer number (95263344918).

Almost surely, 2^{3655681417120} is an apocalyptic number.

It is an amenable number.

3655681417120 is an abundant number, since it is smaller than the sum of its proper divisors (5489599695008).

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

3655681417120 is a wasteful number, since it uses less digits than its factorization.

3655681417120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103142 (or 103134 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 3655681417120 in words is "three trillion, six hundred fifty-five billion, six hundred eighty-one million, four hundred seventeen thousand, one hundred twenty".