168020500 has 24 divisors (see below), whose sum is σ = 366957864. Its totient is φ = 67208000.

The previous prime is 168020483. The next prime is 168020509. The reversal of 168020500 is 5020861.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7056 + 168013444 = 84^2 + 12962^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168020509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167521 + ... + 168520.

It is an arithmetic number, because the mean of its divisors is an integer number (15289911).

Almost surely, 2^168020500 is an apocalyptic number.

168020500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168020500 is an abundant number, since it is smaller than the sum of its proper divisors (198937364).

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

168020500 is a wasteful number, since it uses less digits than its factorization.

168020500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336060 (or 336048 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 168020500 is about 12962.2721773615. The cubic root of 168020500 is about 551.8072779926.

The spelling of 168020500 in words is "one hundred sixty-eight million, twenty thousand, five hundred".