100643160 has 32 divisors (see below), whose sum is σ = 301929840. Its totient is φ = 26838144.

The previous prime is 100643159. The next prime is 100643183. The reversal of 100643160 is 61346001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419227 + ... + 419466.

Almost surely, 2^100643160 is an apocalyptic number.

100643160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100643160 is an abundant number, since it is smaller than the sum of its proper divisors (201286680).

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

100643160 is a wasteful number, since it uses less digits than its factorization.

100643160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838707 (or 838703 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 100643160 is about 10032.1064587653. The cubic root of 100643160 is about 465.1518523590.

Adding to 100643160 its reverse (61346001), we get a palindrome (161989161).

The spelling of 100643160 in words is "one hundred million, six hundred forty-three thousand, one hundred sixty".