168478076 has 12 divisors (see below), whose sum is σ = 317516472. Its totient is φ = 77759088.

The previous prime is 168478067. The next prime is 168478097. The reversal of 168478076 is 670874861.

It is a self number, because there is not a number n which added to its sum of digits gives 168478076.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1619930 + ... + 1620033.

It is an arithmetic number, because the mean of its divisors is an integer number (26459706).

Almost surely, 2^168478076 is an apocalyptic number.

It is an amenable number.

168478076 is a deficient number, since it is larger than the sum of its proper divisors (149038396).

168478076 is a wasteful number, since it uses less digits than its factorization.

168478076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239980 (or 3239978 counting only the distinct ones).

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

The square root of 168478076 is about 12979.9104773492. The cubic root of 168478076 is about 552.3077425289.

The spelling of 168478076 in words is "one hundred sixty-eight million, four hundred seventy-eight thousand, seventy-six".