163478027 has 2 divisors, whose sum is σ = 163478028. Its totient is φ = 163478026.

The previous prime is 163478011. The next prime is 163478041. The reversal of 163478027 is 720874361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163478027 - 2⁴ = 163478011 is a prime.

It is not a weakly prime, because it can be changed into another prime (163478047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81739013 + 81739014.

It is an arithmetic number, because the mean of its divisors is an integer number (81739014).

Almost surely, 2^163478027 is an apocalyptic number.

163478027 is a deficient number, since it is larger than the sum of its proper divisors (1).

163478027 is an equidigital number, since it uses as much as digits as its factorization.

163478027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 163478027 is about 12785.8526113826. The cubic root of 163478027 is about 546.7890337231.

The spelling of 163478027 in words is "one hundred sixty-three million, four hundred seventy-eight thousand, twenty-seven".