38666851063 has 8 divisors (see below), whose sum is σ = 39703996800. Its totient is φ = 37642431288.

The previous prime is 38666850977. The next prime is 38666851141. The reversal of 38666851063 is 36015866683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38666851063 is a prime.

It is a super-2 number, since 2×38666851063² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38666851063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38666851763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3175333 + ... + 3187486.

It is an arithmetic number, because the mean of its divisors is an integer number (4962999600).

Almost surely, 2^38666851063 is an apocalyptic number.

38666851063 is a deficient number, since it is larger than the sum of its proper divisors (1037145737).

38666851063 is a wasteful number, since it uses less digits than its factorization.

38666851063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6362981.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 38666851063 in words is "thirty-eight billion, six hundred sixty-six million, eight hundred fifty-one thousand, sixty-three".