978602168 has 16 divisors (see below), whose sum is σ = 1840328880. Its totient is φ = 487847808.

The previous prime is 978602167. The next prime is 978602173. The reversal of 978602168 is 861206879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (978602167) 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 3 ways as a sum of consecutive naturals, for example, 178796 + ... + 184187.

It is an arithmetic number, because the mean of its divisors is an integer number (115020555).

Almost surely, 2^978602168 is an apocalyptic number.

It is an amenable number.

978602168 is a deficient number, since it is larger than the sum of its proper divisors (861726712).

978602168 is a wasteful number, since it uses less digits than its factorization.

978602168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363326 (or 363322 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 978602168 is about 31282.6176654065. The cubic root of 978602168 is about 992.8159016578.

The spelling of 978602168 in words is "nine hundred seventy-eight million, six hundred two thousand, one hundred sixty-eight".