100843668 has 36 divisors (see below), whose sum is σ = 255903648. Its totient is φ = 33483600.

The previous prime is 100843649. The next prime is 100843679. The reversal of 100843668 is 866348001.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4143 + ... + 14793.

Almost surely, 2^100843668 is an apocalyptic number.

100843668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

100843668 is an abundant number, since it is smaller than the sum of its proper divisors (155059980).

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

100843668 is a wasteful number, since it uses less digits than its factorization.

100843668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10924 (or 10919 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 100843668 is about 10042.0948013848. The cubic root of 100843668 is about 465.4605496042.

The spelling of 100843668 in words is "one hundred million, eight hundred forty-three thousand, six hundred sixty-eight".