3666678337038 has 32 divisors (see below), whose sum is σ = 7387633612800. Its totient is φ = 1213183573056.

The previous prime is 3666678337037. The next prime is 3666678337039. The reversal of 3666678337038 is 8307338766663.

It is an interprime number because it is at equal distance from previous prime (3666678337037) and next prime (3666678337039).

It is a super-2 number, since 2×3666678337038² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3666678337038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666678337033) 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, 3627795 + ... + 4527057.

It is an arithmetic number, because the mean of its divisors is an integer number (230863550400).

Almost surely, 2^{3666678337038} is an apocalyptic number.

3666678337038 is an abundant number, since it is smaller than the sum of its proper divisors (3720955275762).

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

3666678337038 is a wasteful number, since it uses less digits than its factorization.

3666678337038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904296.

The product of its (nonzero) digits is 329204736, while the sum is 66.

The spelling of 3666678337038 in words is "three trillion, six hundred sixty-six billion, six hundred seventy-eight million, three hundred thirty-seven thousand, thirty-eight".