168706028 has 24 divisors (see below), whose sum is σ = 319877712. Its totient is φ = 77543424.

The previous prime is 168706007. The next prime is 168706039. The reversal of 168706028 is 820607861.

It is a junction number, because it is equal to n+sod(n) for n = 168705982 and 168706000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25925 + ... + 31772.

It is an arithmetic number, because the mean of its divisors is an integer number (13328238).

Almost surely, 2^168706028 is an apocalyptic number.

It is an amenable number.

168706028 is a deficient number, since it is larger than the sum of its proper divisors (151171684).

168706028 is a wasteful number, since it uses less digits than its factorization.

168706028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57761 (or 57759 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 168706028 is about 12988.6884634285. The cubic root of 168706028 is about 552.5567223351.

The spelling of 168706028 in words is "one hundred sixty-eight million, seven hundred six thousand, twenty-eight".