38678401673066 has 24 divisors (see below), whose sum is σ = 61232426980164. Its totient is φ = 18321182737920.

The previous prime is 38678401673029. The next prime is 38678401673069. The reversal of 38678401673066 is 66037610487683.

It can be written as a sum of positive squares in 2 ways, for example, as 38504866942441 + 173534730625 = 6205229^2 + 416575^2 .

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38678401672993 and 38678401673011.

It is not an unprimeable number, because it can be changed into a prime (38678401673069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123820796 + ... + 124132776.

Almost surely, 2^{38678401673066} is an apocalyptic number.

38678401673066 is a deficient number, since it is larger than the sum of its proper divisors (22554025307098).

38678401673066 is a wasteful number, since it uses less digits than its factorization.

38678401673066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483734 (or 483715 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 65.

The spelling of 38678401673066 in words is "thirty-eight trillion, six hundred seventy-eight billion, four hundred one million, six hundred seventy-three thousand, sixty-six".