3665668588248 has 128 divisors (see below), whose sum is σ = 9652605408000. Its totient is φ = 1158346452480.

The previous prime is 3665668588223. The next prime is 3665668588271. The reversal of 3665668588248 is 8428858665663.

It is a self number, because there is not a number n which added to its sum of digits gives 3665668588248.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33905958 + ... + 34013898.

It is an arithmetic number, because the mean of its divisors is an integer number (75410979750).

Almost surely, 2^{3665668588248} 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 3665668588248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4826302704000).

3665668588248 is an abundant number, since it is smaller than the sum of its proper divisors (5986936819752).

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

3665668588248 is a wasteful number, since it uses less digits than its factorization.

3665668588248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108865 (or 108861 counting only the distinct ones).

The product of its digits is 3185049600, while the sum is 75.

The spelling of 3665668588248 in words is "three trillion, six hundred sixty-five billion, six hundred sixty-eight million, five hundred eighty-eight thousand, two hundred forty-eight".