38163845556 has 72 divisors (see below), whose sum is σ = 98753054400. Its totient is φ = 12420422784.

The previous prime is 38163845527. The next prime is 38163845561. The reversal of 38163845556 is 65554836183.

It is a happy number.

38163845556 is a `hidden beast` number, since 3 + 8 + 1 + 6 + 3 + 84 + 5 + 556 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 7194001 + ... + 7199303.

It is an arithmetic number, because the mean of its divisors is an integer number (1371570200).

Almost surely, 2^38163845556 is an apocalyptic number.

38163845556 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38163845556 is an abundant number, since it is smaller than the sum of its proper divisors (60589208844).

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

38163845556 is a wasteful number, since it uses less digits than its factorization.

38163845556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10005 (or 10000 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The spelling of 38163845556 in words is "thirty-eight billion, one hundred sixty-three million, eight hundred forty-five thousand, five hundred fifty-six".