5611666733 has 2 divisors, whose sum is σ = 5611666734. Its totient is φ = 5611666732.

The previous prime is 5611666693. The next prime is 5611666741. The reversal of 5611666733 is 3376661165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4799302729 + 812364004 = 69277^2 + 28502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5611666733 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5611666133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805833366 + 2805833367.

It is an arithmetic number, because the mean of its divisors is an integer number (2805833367).

Almost surely, 2^5611666733 is an apocalyptic number.

It is an amenable number.

5611666733 is a deficient number, since it is larger than the sum of its proper divisors (1).

5611666733 is an equidigital number, since it uses as much as digits as its factorization.

5611666733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 44.

The square root of 5611666733 is about 74911.0588164391. The cubic root of 5611666733 is about 1777.0403550904.

The spelling of 5611666733 in words is "five billion, six hundred eleven million, six hundred sixty-six thousand, seven hundred thirty-three".