2661336033 has 4 divisors (see below), whose sum is σ = 3548448048. Its totient is φ = 1774224020.

The previous prime is 2661336017. The next prime is 2661336059. The reversal of 2661336033 is 3306331662.

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.

It is a cyclic number.

It is not a de Polignac number, because 2661336033 - 2⁴ = 2661336017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2661335985 and 2661336003.

It is not an unprimeable number, because it can be changed into a prime (2661336533) 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, 443556003 + ... + 443556008.

It is an arithmetic number, because the mean of its divisors is an integer number (887112012).

Almost surely, 2^2661336033 is an apocalyptic number.

It is an amenable number.

2661336033 is a deficient number, since it is larger than the sum of its proper divisors (887112015).

2661336033 is an equidigital number, since it uses as much as digits as its factorization.

2661336033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887112014.

The product of its (nonzero) digits is 34992, while the sum is 33.

The square root of 2661336033 is about 51588.1384913238. The cubic root of 2661336033 is about 1385.7979185812.

Adding to 2661336033 its reverse (3306331662), we get a palindrome (5967667695).

The spelling of 2661336033 in words is "two billion, six hundred sixty-one million, three hundred thirty-six thousand, thirty-three".