168560407 has 2 divisors, whose sum is σ = 168560408. Its totient is φ = 168560406.

The previous prime is 168560351. The next prime is 168560411. The reversal of 168560407 is 704065861.

It is a strong prime.

It is an emirp because it is prime and its reverse (704065861) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168560407 is a prime.

It is a super-2 number, since 2×168560407² = 56825221616011298, which contains 22 as substring.

It is equal to p_9426961 and since 168560407 and 9426961 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168590407) 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, 84280203 + 84280204.

It is an arithmetic number, because the mean of its divisors is an integer number (84280204).

Almost surely, 2^168560407 is an apocalyptic number.

168560407 is a deficient number, since it is larger than the sum of its proper divisors (1).

168560407 is an equidigital number, since it uses as much as digits as its factorization.

168560407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 168560407 is about 12983.0815679483. The cubic root of 168560407 is about 552.3976941808.

The spelling of 168560407 in words is "one hundred sixty-eight million, five hundred sixty thousand, four hundred seven".