163206047 has 2 divisors, whose sum is σ = 163206048. Its totient is φ = 163206046.

The previous prime is 163206031. The next prime is 163206061. The reversal of 163206047 is 740602361.

It is a strong prime.

It is an emirp because it is prime and its reverse (740602361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163206047 - 2⁴ = 163206031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163206077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81603023 + 81603024.

It is an arithmetic number, because the mean of its divisors is an integer number (81603024).

Almost surely, 2^163206047 is an apocalyptic number.

163206047 is a deficient number, since it is larger than the sum of its proper divisors (1).

163206047 is an equidigital number, since it uses as much as digits as its factorization.

163206047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 163206047 is about 12775.2122095878. The cubic root of 163206047 is about 546.4856326409.

The spelling of 163206047 in words is "one hundred sixty-three million, two hundred six thousand, forty-seven".