1168648451 has 2 divisors, whose sum is σ = 1168648452. Its totient is φ = 1168648450.

The previous prime is 1168648421. The next prime is 1168648471. The reversal of 1168648451 is 1548468611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1168648451 - 2⁶ = 1168648387 is a prime.

It is not a weakly prime, because it can be changed into another prime (1168648421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 584324225 + 584324226.

It is an arithmetic number, because the mean of its divisors is an integer number (584324226).

Almost surely, 2^1168648451 is an apocalyptic number.

1168648451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1168648451 is an equidigital number, since it uses as much as digits as its factorization.

1168648451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 44.

The square root of 1168648451 is about 34185.5005960129. The cubic root of 1168648451 is about 1053.3223415796.

The spelling of 1168648451 in words is "one billion, one hundred sixty-eight million, six hundred forty-eight thousand, four hundred fifty-one".