1106623613 has 4 divisors (see below), whose sum is σ = 1106852700. Its totient is φ = 1106394528.

The previous prime is 1106623607. The next prime is 1106623621. The reversal of 1106623613 is 3163266011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3163266011 = 10357 ⋅305423.

It can be written as a sum of positive squares in 2 ways, for example, as 808094329 + 298529284 = 28427^2 + 17278^2 .

It is a cyclic number.

It is not a de Polignac number, because 1106623613 - 2⁶ = 1106623549 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 (1106623013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107138 + ... + 117011.

It is an arithmetic number, because the mean of its divisors is an integer number (276713175).

Almost surely, 2^1106623613 is an apocalyptic number.

It is an amenable number.

1106623613 is a deficient number, since it is larger than the sum of its proper divisors (229087).

1106623613 is an equidigital number, since it uses as much as digits as its factorization.

1106623613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229086.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1106623613 is about 33265.9527595408. The cubic root of 1106623613 is about 1034.3479172581.

Adding to 1106623613 its reverse (3163266011), we get a palindrome (4269889624).

The spelling of 1106623613 in words is "one billion, one hundred six million, six hundred twenty-three thousand, six hundred thirteen".