168519485 has 4 divisors (see below), whose sum is σ = 202223388. Its totient is φ = 134815584.

The previous prime is 168519469. The next prime is 168519511. The reversal of 168519485 is 584915861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100440484 + 68079001 = 10022^2 + 8251^2 .

It is a cyclic number.

It is not a de Polignac number, because 168519485 - 2⁴ = 168519469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16851944 + ... + 16851953.

It is an arithmetic number, because the mean of its divisors is an integer number (50555847).

Almost surely, 2^168519485 is an apocalyptic number.

It is an amenable number.

168519485 is a deficient number, since it is larger than the sum of its proper divisors (33703903).

168519485 is an equidigital number, since it uses as much as digits as its factorization.

168519485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33703902.

The product of its digits is 345600, while the sum is 47.

The square root of 168519485 is about 12981.5054982078. The cubic root of 168519485 is about 552.3529880556.

The spelling of 168519485 in words is "one hundred sixty-eight million, five hundred nineteen thousand, four hundred eighty-five".