38996264165 has 4 divisors (see below), whose sum is σ = 46795517004. Its totient is φ = 31197011328.

The previous prime is 38996264161. The next prime is 38996264173. The reversal of 38996264165 is 56146269983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56146269983 = 47 ⋅1194601489.

It can be written as a sum of positive squares in 2 ways, for example, as 28090430404 + 10905833761 = 167602^2 + 104431^2 .

It is a cyclic number.

It is not a de Polignac number, because 38996264165 - 2² = 38996264161 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 (38996264161) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3899626412 + ... + 3899626421.

It is an arithmetic number, because the mean of its divisors is an integer number (11698879251).

Almost surely, 2^38996264165 is an apocalyptic number.

It is an amenable number.

38996264165 is a deficient number, since it is larger than the sum of its proper divisors (7799252839).

38996264165 is an equidigital number, since it uses as much as digits as its factorization.

38996264165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7799252838.

The product of its digits is 16796160, while the sum is 59.

The spelling of 38996264165 in words is "thirty-eight billion, nine hundred ninety-six million, two hundred sixty-four thousand, one hundred sixty-five".