38738255161 has 4 divisors (see below), whose sum is σ = 38881201024. Its totient is φ = 38595309300.

The previous prime is 38738255119. The next prime is 38738255173. The reversal of 38738255161 is 16155283783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16155283783 = 1619 ⋅9978557.

It is a cyclic number.

It is not a de Polignac number, because 38738255161 - 2¹⁹ = 38737730873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38738205161) 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, 71472525 + ... + 71473066.

It is an arithmetic number, because the mean of its divisors is an integer number (9720300256).

Almost surely, 2^38738255161 is an apocalyptic number.

It is an amenable number.

38738255161 is a deficient number, since it is larger than the sum of its proper divisors (142945863).

38738255161 is a wasteful number, since it uses less digits than its factorization.

38738255161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142945862.

The product of its digits is 1209600, while the sum is 49.

The spelling of 38738255161 in words is "thirty-eight billion, seven hundred thirty-eight million, two hundred fifty-five thousand, one hundred sixty-one".