168565461345 has 32 divisors (see below), whose sum is σ = 300075436800. Its totient is φ = 89780527872.

The previous prime is 168565461257. The next prime is 168565461377. The reversal of 168565461345 is 543164565861.

168565461345 is a `hidden beast` number, since 1 + 6 + 8 + 56 + 546 + 1 + 3 + 45 = 666.

168565461345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168565461345 - 2²² = 168561267041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168565461291 and 168565461300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 739960 + ... + 940569.

It is an arithmetic number, because the mean of its divisors is an integer number (9377357400).

Almost surely, 2^168565461345 is an apocalyptic number.

168565461345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168565461345 is a deficient number, since it is larger than the sum of its proper divisors (131509975455).

168565461345 is a wasteful number, since it uses less digits than its factorization.

168565461345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681286 (or 1681280 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The spelling of 168565461345 in words is "one hundred sixty-eight billion, five hundred sixty-five million, four hundred sixty-one thousand, three hundred forty-five".