1099858068 has 48 divisors (see below), whose sum is σ = 2975468160. Its totient is φ = 350678592.

The previous prime is 1099858051. The next prime is 1099858079. The reversal of 1099858068 is 8608589901.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218905 + ... + 223872.

It is an arithmetic number, because the mean of its divisors is an integer number (61988920).

Almost surely, 2^1099858068 is an apocalyptic number.

1099858068 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1099858068 is an abundant number, since it is smaller than the sum of its proper divisors (1875610092).

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

1099858068 is a wasteful number, since it uses less digits than its factorization.

1099858068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442813 (or 442805 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 1099858068 is about 33164.1081291206. The cubic root of 1099858068 is about 1032.2357154917.

The spelling of 1099858068 in words is "one billion, ninety-nine million, eight hundred fifty-eight thousand, sixty-eight".