38163806141 has 4 divisors (see below), whose sum is σ = 40408735932. Its totient is φ = 35918876352.

The previous prime is 38163806071. The next prime is 38163806143. The reversal of 38163806141 is 14160836183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14160836183 = 13 ⋅1089295091.

It can be written as a sum of positive squares in 2 ways, for example, as 12154180516 + 26009625625 = 110246^2 + 161275^2 .

It is a cyclic number.

It is not a de Polignac number, because 38163806141 - 2¹⁰ = 38163805117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38163806143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122464870 + ... + 1122464903.

It is an arithmetic number, because the mean of its divisors is an integer number (10102183983).

Almost surely, 2^38163806141 is an apocalyptic number.

It is an amenable number.

38163806141 is a deficient number, since it is larger than the sum of its proper divisors (2244929791).

38163806141 is a wasteful number, since it uses less digits than its factorization.

38163806141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244929790.

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 38163806141 in words is "thirty-eight billion, one hundred sixty-three million, eight hundred six thousand, one hundred forty-one".