1168272643 has 2 divisors, whose sum is σ = 1168272644. Its totient is φ = 1168272642.

The previous prime is 1168272631. The next prime is 1168272647. The reversal of 1168272643 is 3462728611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1168272643 - 2¹³ = 1168264451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1168272596 and 1168272605.

It is not a weakly prime, because it can be changed into another prime (1168272647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584136321 + 584136322.

It is an arithmetic number, because the mean of its divisors is an integer number (584136322).

Almost surely, 2^1168272643 is an apocalyptic number.

1168272643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168272643 is an equidigital number, since it uses as much as digits as its factorization.

1168272643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 1168272643 is about 34180.0035547102. The cubic root of 1168272643 is about 1053.2094221351.

The spelling of 1168272643 in words is "one billion, one hundred sixty-eight million, two hundred seventy-two thousand, six hundred forty-three".