1099105168 has 40 divisors (see below), whose sum is σ = 2439486720. Its totient is φ = 469931520.

The previous prime is 1099105127. The next prime is 1099105169. The reversal of 1099105168 is 8615019901.

It is a self number, because there is not a number n which added to its sum of digits gives 1099105168.

It is not an unprimeable number, because it can be changed into a prime (1099105169) 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, 36888 + ... + 59656.

It is an arithmetic number, because the mean of its divisors is an integer number (60987168).

Almost surely, 2^1099105168 is an apocalyptic number.

It is an amenable number.

1099105168 is an abundant number, since it is smaller than the sum of its proper divisors (1340381552).

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

1099105168 is a wasteful number, since it uses less digits than its factorization.

1099105168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23215 (or 23209 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 1099105168 is about 33152.7550589691. The cubic root of 1099105168 is about 1032.0001251928. Note that the first 3 decimals are identical.

The spelling of 1099105168 in words is "one billion, ninety-nine million, one hundred five thousand, one hundred sixty-eight".