1105656618 has 48 divisors (see below), whose sum is σ = 2441688480. Its totient is φ = 333521760.

The previous prime is 1105656611. The next prime is 1105656619. The reversal of 1105656618 is 8166565011.

It is not an unprimeable number, because it can be changed into a prime (1105656611) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 161448 + ... + 168156.

It is an arithmetic number, because the mean of its divisors is an integer number (50868510).

Almost surely, 2^1105656618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1105656618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1220844240).

1105656618 is an abundant number, since it is smaller than the sum of its proper divisors (1336031862).

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

1105656618 is a wasteful number, since it uses less digits than its factorization.

1105656618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6963 (or 6952 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 1105656618 is about 33251.4152781502. The cubic root of 1105656618 is about 1034.0465498886.

The spelling of 1105656618 in words is "one billion, one hundred five million, six hundred fifty-six thousand, six hundred eighteen".