1156664233 has 2 divisors, whose sum is σ = 1156664234. Its totient is φ = 1156664232.

The previous prime is 1156664189. The next prime is 1156664239. The reversal of 1156664233 is 3324666511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 720815104 + 435849129 = 26848^2 + 20877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1156664233 - 2²¹ = 1154567081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1156664192 and 1156664201.

It is not a weakly prime, because it can be changed into another prime (1156664239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578332116 + 578332117.

It is an arithmetic number, because the mean of its divisors is an integer number (578332117).

Almost surely, 2^1156664233 is an apocalyptic number.

It is an amenable number.

1156664233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1156664233 is an equidigital number, since it uses as much as digits as its factorization.

1156664233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 37.

The square root of 1156664233 is about 34009.7667295734. The cubic root of 1156664233 is about 1049.7094382713.

The spelling of 1156664233 in words is "one billion, one hundred fifty-six million, six hundred sixty-four thousand, two hundred thirty-three".