168478706 has 48 divisors (see below), whose sum is σ = 287653464. Its totient is φ = 73920000.

The previous prime is 168478693. The next prime is 168478711. The reversal of 168478706 is 607874861.

168478706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 93915481 + 74563225 = 9691^2 + 8635^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1490906 + ... + 1491018.

Almost surely, 2^168478706 is an apocalyptic number.

168478706 is a deficient number, since it is larger than the sum of its proper divisors (119174758).

168478706 is a wasteful number, since it uses less digits than its factorization.

168478706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 168478706 is about 12979.9347455987. The cubic root of 168478706 is about 552.3084309537.

It can be divided in two parts, 168 and 478706, that added together give a palindrome (478874).

The spelling of 168478706 in words is "one hundred sixty-eight million, four hundred seventy-eight thousand, seven hundred six".