2533316661 has 8 divisors (see below), whose sum is σ = 3753061760. Its totient is φ = 1688877756.

The previous prime is 2533316657. The next prime is 2533316671. The reversal of 2533316661 is 1666133352.

It is not a de Polignac number, because 2533316661 - 2² = 2533316657 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 (2533316671) 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 7 ways as a sum of consecutive naturals, for example, 46913245 + ... + 46913298.

It is an arithmetic number, because the mean of its divisors is an integer number (469132720).

Almost surely, 2^2533316661 is an apocalyptic number.

It is an amenable number.

2533316661 is a deficient number, since it is larger than the sum of its proper divisors (1219745099).

2533316661 is an equidigital number, since it uses as much as digits as its factorization.

2533316661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93826552 (or 93826546 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 2533316661 is about 50332.0639453619. The cubic root of 2533316661 is about 1363.2112446922.

The spelling of 2533316661 in words is "two billion, five hundred thirty-three million, three hundred sixteen thousand, six hundred sixty-one".