168530100 has 36 divisors (see below), whose sum is σ = 487614624. Its totient is φ = 44941280.

The previous prime is 168530099. The next prime is 168530113. The reversal of 168530100 is 1035861.

168530100 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

168530100 is strictly pandigital in base 9.

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 11 ways as a sum of consecutive naturals, for example, 280584 + ... + 281183.

Almost surely, 2^168530100 is an apocalyptic number.

168530100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

168530100 is an abundant number, since it is smaller than the sum of its proper divisors (319084524).

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

168530100 is a wasteful number, since it uses less digits than its factorization.

168530100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561784 (or 561777 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 168530100 is about 12981.9143426538. The cubic root of 168530100 is about 552.3645853374.

Adding to 168530100 its reverse (1035861), we get a palindrome (169565961).

The spelling of 168530100 in words is "one hundred sixty-eight million, five hundred thirty thousand, one hundred".