168706013 has 4 divisors (see below), whose sum is σ = 192806880. Its totient is φ = 144605148.

The previous prime is 168706007. The next prime is 168706039. The reversal of 168706013 is 310607861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 168706013 - 2¹⁴ = 168689629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168706003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12050423 + ... + 12050436.

It is an arithmetic number, because the mean of its divisors is an integer number (48201720).

Almost surely, 2^168706013 is an apocalyptic number.

It is an amenable number.

168706013 is a deficient number, since it is larger than the sum of its proper divisors (24100867).

168706013 is an equidigital number, since it uses as much as digits as its factorization.

168706013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24100866.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 168706013 is about 12988.6878860030. The cubic root of 168706013 is about 552.5567059588.

The spelling of 168706013 in words is "one hundred sixty-eight million, seven hundred six thousand, thirteen".