168504856 has 16 divisors (see below), whose sum is σ = 340250400. Its totient is φ = 77771424.

The previous prime is 168504781. The next prime is 168504881. The reversal of 168504856 is 658405861.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 810016 + ... + 810223.

It is an arithmetic number, because the mean of its divisors is an integer number (21265650).

Almost surely, 2^168504856 is an apocalyptic number.

It is an amenable number.

168504856 is an abundant number, since it is smaller than the sum of its proper divisors (171745544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168504856 is a wasteful number, since it uses less digits than its factorization.

168504856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620258 (or 1620254 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 168504856 is about 12980.9420305308. The cubic root of 168504856 is about 552.3370045316.

The spelling of 168504856 in words is "one hundred sixty-eight million, five hundred four thousand, eight hundred fifty-six".