38365405671668 has 12 divisors (see below), whose sum is σ = 68777007728772. Its totient is φ = 18714832034880.

The previous prime is 38365405671653. The next prime is 38365405671701. The reversal of 38365405671668 is 86617650456383.

It can be written as a sum of positive squares in 2 ways, for example, as 7850520326884 + 30514885344784 = 2801878^2 + 5524028^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38365405671598 and 38365405671607.

It is a congruent number.

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, 116967700055 + ... + 116967700382.

It is an arithmetic number, because the mean of its divisors is an integer number (5731417310731).

Almost surely, 2^{38365405671668} is an apocalyptic number.

It is an amenable number.

38365405671668 is a deficient number, since it is larger than the sum of its proper divisors (30411602057104).

38365405671668 is a wasteful number, since it uses less digits than its factorization.

38365405671668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233935400482 (or 233935400480 counting only the distinct ones).

The product of its (nonzero) digits is 522547200, while the sum is 68.

The spelling of 38365405671668 in words is "thirty-eight trillion, three hundred sixty-five billion, four hundred five million, six hundred seventy-one thousand, six hundred sixty-eight".