163938067 has 2 divisors, whose sum is σ = 163938068. Its totient is φ = 163938066.

The previous prime is 163938037. The next prime is 163938107. The reversal of 163938067 is 760839361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 163938067 - 2¹⁵ = 163905299 is a prime.

It is not a weakly prime, because it can be changed into another prime (163938007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81969033 + 81969034.

It is an arithmetic number, because the mean of its divisors is an integer number (81969034).

Almost surely, 2^163938067 is an apocalyptic number.

163938067 is a deficient number, since it is larger than the sum of its proper divisors (1).

163938067 is an equidigital number, since it uses as much as digits as its factorization.

163938067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 163938067 is about 12803.8301691330. The cubic root of 163938067 is about 547.3014557781.

The spelling of 163938067 in words is "one hundred sixty-three million, nine hundred thirty-eight thousand, sixty-seven".