168613860 has 24 divisors (see below), whose sum is σ = 472118976. Its totient is φ = 44963680.

The previous prime is 168613849. The next prime is 168613873. The reversal of 168613860 is 68316861.

168613860 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 1405056 + ... + 1405175.

It is an arithmetic number, because the mean of its divisors is an integer number (19671624).

Almost surely, 2^168613860 is an apocalyptic number.

168613860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168613860 is an abundant number, since it is smaller than the sum of its proper divisors (303505116).

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

168613860 is a wasteful number, since it uses less digits than its factorization.

168613860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2810243 (or 2810241 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 168613860 is about 12985.1399684408. The cubic root of 168613860 is about 552.4560791714.

The spelling of 168613860 in words is "one hundred sixty-eight million, six hundred thirteen thousand, eight hundred sixty".