3666662442624 has 32 divisors (see below), whose sum is σ = 9739572114240. Its totient is φ = 1222220814080.

The previous prime is 3666662442587. The next prime is 3666662442661. The reversal of 3666662442624 is 4262442666663.

It is an interprime number because it is at equal distance from previous prime (3666662442587) and next prime (3666662442661).

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4774299672 + ... + 4774300439.

It is an arithmetic number, because the mean of its divisors is an integer number (304361628570).

Almost surely, 2^{3666662442624} is an apocalyptic number.

It is an amenable number.

3666662442624 is an abundant number, since it is smaller than the sum of its proper divisors (6072909671616).

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

3666662442624 is an equidigital number, since it uses as much as digits as its factorization.

3666662442624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9548600128 (or 9548600116 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 57.

The spelling of 3666662442624 in words is "three trillion, six hundred sixty-six billion, six hundred sixty-two million, four hundred forty-two thousand, six hundred twenty-four".