378163 has 2 divisors, whose sum is σ = 378164. Its totient is φ = 378162.

The previous prime is 378151. The next prime is 378167. The reversal of 378163 is 361873.

It is a strong prime.

It is an emirp because it is prime and its reverse (361873) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378163 is a prime.

It is not a weakly prime, because it can be changed into another prime (378167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189081 + 189082.

It is an arithmetic number, because the mean of its divisors is an integer number (189082).

2³⁷⁸¹⁶³ is an apocalyptic number.

378163 is a deficient number, since it is larger than the sum of its proper divisors (1).

378163 is an equidigital number, since it uses as much as digits as its factorization.

378163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 378163 is about 614.9495914301. The cubic root of 378163 is about 72.3146593733.

Subtracting from 378163 its reverse (361873), we obtain a triangular number (16290 = T₁₈₀).

It can be divided in two parts, 3781 and 63, that added together give a square (3844 = 62²).

The spelling of 378163 in words is "three hundred seventy-eight thousand, one hundred sixty-three".