168901020 has 72 divisors (see below), whose sum is σ = 528877440. Its totient is φ = 43585920.

The previous prime is 168900943. The next prime is 168901039. The reversal of 168901020 is 20109861.

168901020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9555 + ... + 20714.

It is an arithmetic number, because the mean of its divisors is an integer number (7345520).

Almost surely, 2^168901020 is an apocalyptic number.

168901020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168901020 is an abundant number, since it is smaller than the sum of its proper divisors (359976420).

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

168901020 is a wasteful number, since it uses less digits than its factorization.

168901020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30315 (or 30310 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 168901020 is about 12996.1925193497. The cubic root of 168901020 is about 552.7695237739.

The spelling of 168901020 in words is "one hundred sixty-eight million, nine hundred one thousand, twenty".