38831539161 has 16 divisors (see below), whose sum is σ = 54861347840. Its totient is φ = 24362758800.

The previous prime is 38831539141. The next prime is 38831539169. The reversal of 38831539161 is 16193513883.

It is not a de Polignac number, because 38831539161 - 2⁵ = 38831539129 is a prime.

It is a super-2 number, since 2×38831539161² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38831539161.

It is not an unprimeable number, because it can be changed into a prime (38831539169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2247205 + ... + 2264418.

It is an arithmetic number, because the mean of its divisors is an integer number (3428834240).

Almost surely, 2^38831539161 is an apocalyptic number.

It is an amenable number.

38831539161 is a deficient number, since it is larger than the sum of its proper divisors (16029808679).

38831539161 is a wasteful number, since it uses less digits than its factorization.

38831539161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511796.

The product of its digits is 466560, while the sum is 48.

The spelling of 38831539161 in words is "thirty-eight billion, eight hundred thirty-one million, five hundred thirty-nine thousand, one hundred sixty-one".