38313877161 has 16 divisors (see below), whose sum is σ = 58388364288. Its totient is φ = 21891651600.

The previous prime is 38313877159. The next prime is 38313877163. The reversal of 38313877161 is 16177831383.

It is an interprime number because it is at equal distance from previous prime (38313877159) and next prime (38313877163).

It is not a de Polignac number, because 38313877161 - 2¹ = 38313877159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38313877161.

It is not an unprimeable number, because it can be changed into a prime (38313877163) 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, 171346 + ... + 325556.

It is an arithmetic number, because the mean of its divisors is an integer number (3649272768).

Almost surely, 2^38313877161 is an apocalyptic number.

It is an amenable number.

38313877161 is a deficient number, since it is larger than the sum of its proper divisors (20074487127).

38313877161 is a wasteful number, since it uses less digits than its factorization.

38313877161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166052.

The product of its digits is 508032, while the sum is 48.

The spelling of 38313877161 in words is "thirty-eight billion, three hundred thirteen million, eight hundred seventy-seven thousand, one hundred sixty-one".