38668167 has 6 divisors (see below), whose sum is σ = 55854032. Its totient is φ = 25778772.

The previous prime is 38668163. The next prime is 38668171. The reversal of 38668167 is 76186683.

It is an interprime number because it is at equal distance from previous prime (38668163) and next prime (38668171).

It is not a de Polignac number, because 38668167 - 2² = 38668163 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 (38668163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2148223 + ... + 2148240.

Almost surely, 2^38668167 is an apocalyptic number.

38668167 is a deficient number, since it is larger than the sum of its proper divisors (17185865).

38668167 is a wasteful number, since it uses less digits than its factorization.

38668167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4296469 (or 4296466 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 38668167 is about 6218.3733403520. The cubic root of 38668167 is about 338.1565950388.

The spelling of 38668167 in words is "thirty-eight million, six hundred sixty-eight thousand, one hundred sixty-seven".