163373047 has 2 divisors, whose sum is σ = 163373048. Its totient is φ = 163373046.

The previous prime is 163373017. The next prime is 163373053. The reversal of 163373047 is 740373361.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163373047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163373017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81686523 + 81686524.

It is an arithmetic number, because the mean of its divisors is an integer number (81686524).

Almost surely, 2^163373047 is an apocalyptic number.

163373047 is a deficient number, since it is larger than the sum of its proper divisors (1).

163373047 is an equidigital number, since it uses as much as digits as its factorization.

163373047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 163373047 is about 12781.7466333831. The cubic root of 163373047 is about 546.6719655858.

The spelling of 163373047 in words is "one hundred sixty-three million, three hundred seventy-three thousand, forty-seven".