168327473 has 2 divisors, whose sum is σ = 168327474. Its totient is φ = 168327472.

The previous prime is 168327463. The next prime is 168327503. The reversal of 168327473 is 374723861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140375104 + 27952369 = 11848^2 + 5287^2 .

It is an emirp because it is prime and its reverse (374723861) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 168327473 - 2²² = 164133169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 168327473.

It is not a weakly prime, because it can be changed into another prime (168327463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84163736 + 84163737.

It is an arithmetic number, because the mean of its divisors is an integer number (84163737).

Almost surely, 2^168327473 is an apocalyptic number.

It is an amenable number.

168327473 is a deficient number, since it is larger than the sum of its proper divisors (1).

168327473 is an equidigital number, since it uses as much as digits as its factorization.

168327473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 168327473 is about 12974.1077920603. The cubic root of 168327473 is about 552.1431236817.

The spelling of 168327473 in words is "one hundred sixty-eight million, three hundred twenty-seven thousand, four hundred seventy-three".