168489703 has 8 divisors (see below), whose sum is σ = 181767888. Its totient is φ = 155585664.

The previous prime is 168489691. The next prime is 168489707. The reversal of 168489703 is 307984861.

It is a happy number.

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 168489703 - 2²⁵ = 134935271 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 (168489707) 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, 92601 + ... + 94402.

It is an arithmetic number, because the mean of its divisors is an integer number (22720986).

Almost surely, 2^168489703 is an apocalyptic number.

168489703 is a deficient number, since it is larger than the sum of its proper divisors (13278185).

168489703 is a wasteful number, since it uses less digits than its factorization.

168489703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187073.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 168489703 is about 12980.3583540671. The cubic root of 168489703 is about 552.3204475142.

The spelling of 168489703 in words is "one hundred sixty-eight million, four hundred eighty-nine thousand, seven hundred three".