168564463 has 8 divisors (see below), whose sum is σ = 170547728. Its totient is φ = 166593024.

The previous prime is 168564457. The next prime is 168564481. The reversal of 168564463 is 364465861.

It is a happy number.

168564463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 168564463 - 2⁹ = 168563951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168564413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27520 + ... + 33082.

It is an arithmetic number, because the mean of its divisors is an integer number (21318466).

Almost surely, 2^168564463 is an apocalyptic number.

168564463 is a deficient number, since it is larger than the sum of its proper divisors (1983265).

168564463 is a wasteful number, since it uses less digits than its factorization.

168564463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913.

The product of its digits is 414720, while the sum is 43.

The square root of 168564463 is about 12983.2377702944. The cubic root of 168564463 is about 552.4021248518.

The spelling of 168564463 in words is "one hundred sixty-eight million, five hundred sixty-four thousand, four hundred sixty-three".