168383985463 has 4 divisors (see below), whose sum is σ = 168393629848. Its totient is φ = 168374341080.

The previous prime is 168383985461. The next prime is 168383985467. The reversal of 168383985463 is 364589383861.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364589383861 = 21587 ⋅16889303.

It is a cyclic number.

It is not a de Polignac number, because 168383985463 - 2¹ = 168383985461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 168383985395 and 168383985404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168383985461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4795956 + ... + 4830937.

It is an arithmetic number, because the mean of its divisors is an integer number (42098407462).

Almost surely, 2^168383985463 is an apocalyptic number.

168383985463 is a deficient number, since it is larger than the sum of its proper divisors (9644385).

168383985463 is an equidigital number, since it uses as much as digits as its factorization.

168383985463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9644384.

The product of its digits is 89579520, while the sum is 64.

The spelling of 168383985463 in words is "one hundred sixty-eight billion, three hundred eighty-three million, nine hundred eighty-five thousand, four hundred sixty-three".