168469903 has 32 divisors (see below), whose sum is σ = 216576000. Its totient is φ = 127733760.

The previous prime is 168469883. The next prime is 168469907. The reversal of 168469903 is 309964861.

It is not a de Polignac number, because 168469903 - 2²⁵ = 134915471 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168469907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118863 + ... + 120271.

It is an arithmetic number, because the mean of its divisors is an integer number (6768000).

Almost surely, 2^168469903 is an apocalyptic number.

168469903 is a deficient number, since it is larger than the sum of its proper divisors (48106097).

168469903 is a wasteful number, since it uses less digits than its factorization.

168469903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 168469903 is about 12979.5956408511. The cubic root of 168469903 is about 552.2988114279.

The spelling of 168469903 in words is "one hundred sixty-eight million, four hundred sixty-nine thousand, nine hundred three".