1166650357 has 2 divisors, whose sum is σ = 1166650358. Its totient is φ = 1166650356.

The previous prime is 1166650349. The next prime is 1166650391. The reversal of 1166650357 is 7530566611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1052288721 + 114361636 = 32439^2 + 10694^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166650357 - 2³ = 1166650349 is a prime.

It is a super-2 number, since 2×1166650357² = 2722146110976454898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166650327) 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, 583325178 + 583325179.

It is an arithmetic number, because the mean of its divisors is an integer number (583325179).

Almost surely, 2^1166650357 is an apocalyptic number.

It is an amenable number.

1166650357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166650357 is an equidigital number, since it uses as much as digits as its factorization.

1166650357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 1166650357 is about 34156.2638032909. The cubic root of 1166650357 is about 1052.7216939808.

The spelling of 1166650357 in words is "one billion, one hundred sixty-six million, six hundred fifty thousand, three hundred fifty-seven".