1104516661 has 4 divisors (see below), whose sum is σ = 1125356652. Its totient is φ = 1083676672.

The previous prime is 1104516659. The next prime is 1104516667. The reversal of 1104516661 is 1666154011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 620956561 + 483560100 = 24919^2 + 21990^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104516661 - 2¹ = 1104516659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104516667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10419916 + ... + 10420021.

It is an arithmetic number, because the mean of its divisors is an integer number (281339163).

Almost surely, 2^1104516661 is an apocalyptic number.

It is an amenable number.

1104516661 is a deficient number, since it is larger than the sum of its proper divisors (20839991).

1104516661 is an equidigital number, since it uses as much as digits as its factorization.

1104516661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20839990.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1104516661 is about 33234.2693766540. The cubic root of 1104516661 is about 1033.6910525524.

The spelling of 1104516661 in words is "one billion, one hundred four million, five hundred sixteen thousand, six hundred sixty-one".