1166960251 has 2 divisors, whose sum is σ = 1166960252. Its totient is φ = 1166960250.

The previous prime is 1166960243. The next prime is 1166960293. The reversal of 1166960251 is 1520696611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1166960251 - 2³ = 1166960243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1166960251.

It is not a weakly prime, because it can be changed into another prime (1166960651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583480125 + 583480126.

It is an arithmetic number, because the mean of its divisors is an integer number (583480126).

Almost surely, 2^1166960251 is an apocalyptic number.

1166960251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166960251 is an equidigital number, since it uses as much as digits as its factorization.

1166960251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1166960251 is about 34160.7999174492. The cubic root of 1166960251 is about 1052.8148962139.

The spelling of 1166960251 in words is "one billion, one hundred sixty-six million, nine hundred sixty thousand, two hundred fifty-one".