38561916156 has 12 divisors (see below), whose sum is σ = 89977804392. Its totient is φ = 12853972048.

The previous prime is 38561916103. The next prime is 38561916157. The reversal of 38561916156 is 65161916583.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 38561916099 and 38561916108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38561916157) by changing a digit.

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, 1606746495 + ... + 1606746518.

It is an arithmetic number, because the mean of its divisors is an integer number (7498150366).

Almost surely, 2^38561916156 is an apocalyptic number.

It is an amenable number.

38561916156 is an abundant number, since it is smaller than the sum of its proper divisors (51415888236).

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

38561916156 is a wasteful number, since it uses less digits than its factorization.

38561916156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213493020 (or 3213493018 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 51.

The spelling of 38561916156 in words is "thirty-eight billion, five hundred sixty-one million, nine hundred sixteen thousand, one hundred fifty-six".