38164169 has 2 divisors, whose sum is σ = 38164170. Its totient is φ = 38164168.

The previous prime is 38164151. The next prime is 38164171. The reversal of 38164169 is 96146183.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36240400 + 1923769 = 6020^2 + 1387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38164169 is a prime.

It is a super-2 number, since 2×38164169² = 2913007590921122, which contains 22 as substring.

Together with 38164171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38164109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19082084 + 19082085.

It is an arithmetic number, because the mean of its divisors is an integer number (19082085).

Almost surely, 2^38164169 is an apocalyptic number.

It is an amenable number.

38164169 is a deficient number, since it is larger than the sum of its proper divisors (1).

38164169 is an equidigital number, since it uses as much as digits as its factorization.

38164169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 38164169 is about 6177.7155162730. The cubic root of 38164169 is about 336.6809961333.

The spelling of 38164169 in words is "thirty-eight million, one hundred sixty-four thousand, one hundred sixty-nine".