1105666100 has 72 divisors (see below), whose sum is σ = 2991350208. Its totient is φ = 344620800.

The previous prime is 1105666091. The next prime is 1105666109. The reversal of 1105666100 is 16665011.

It is an interprime number because it is at equal distance from previous prime (1105666091) and next prime (1105666109).

It is a self number, because there is not a number n which added to its sum of digits gives 1105666100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105666109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64097 + ... + 79496.

Almost surely, 2^1105666100 is an apocalyptic number.

1105666100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105666100 is an abundant number, since it is smaller than the sum of its proper divisors (1885684108).

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

1105666100 is a wasteful number, since it uses less digits than its factorization.

1105666100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143625 (or 143618 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1105666100 is about 33251.5578582418. The cubic root of 1105666100 is about 1034.0495058399.

The spelling of 1105666100 in words is "one billion, one hundred five million, six hundred sixty-six thousand, one hundred".