381677167 has 2 divisors, whose sum is σ = 381677168. Its totient is φ = 381677166.

The previous prime is 381677161. The next prime is 381677189. The reversal of 381677167 is 761776183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 381677167 - 2⁷ = 381677039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (381677161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190838583 + 190838584.

It is an arithmetic number, because the mean of its divisors is an integer number (190838584).

Almost surely, 2^381677167 is an apocalyptic number.

381677167 is a deficient number, since it is larger than the sum of its proper divisors (1).

381677167 is an equidigital number, since it uses as much as digits as its factorization.

381677167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352, while the sum is 46.

The square root of 381677167 is about 19536.5597534469. The cubic root of 381677167 is about 725.3796929893.

The spelling of 381677167 in words is "three hundred eighty-one million, six hundred seventy-seven thousand, one hundred sixty-seven".