1116620033 has 4 divisors (see below), whose sum is σ = 1119566640. Its totient is φ = 1113673428.

The previous prime is 1116619991. The next prime is 1116620039. The reversal of 1116620033 is 3300266111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3300266111 = 1213 ⋅2720747.

It is a cyclic number.

It is not a de Polignac number, because 1116620033 - 2²⁸ = 848184577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1116619990 and 1116620008.

It is not an unprimeable number, because it can be changed into a prime (1116620039) 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, 1472735 + ... + 1473492.

It is an arithmetic number, because the mean of its divisors is an integer number (279891660).

Almost surely, 2^1116620033 is an apocalyptic number.

It is an amenable number.

1116620033 is a deficient number, since it is larger than the sum of its proper divisors (2946607).

1116620033 is an equidigital number, since it uses as much as digits as its factorization.

1116620033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946606.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 1116620033 is about 33415.8649895525. The cubic root of 1116620033 is about 1037.4530975652.

Adding to 1116620033 its reverse (3300266111), we get a palindrome (4416886144).

The spelling of 1116620033 in words is "one billion, one hundred sixteen million, six hundred twenty thousand, thirty-three".