1199170666 has 8 divisors (see below), whose sum is σ = 1847371140. Its totient is φ = 583380288.

The previous prime is 1199170649. The next prime is 1199170669. The reversal of 1199170666 is 6660719911.

It can be written as a sum of positive squares in 2 ways, for example, as 1199167641 + 3025 = 34629^2 + 55^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1199170669) 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 in 3 ways as a sum of consecutive naturals, for example, 8102431 + ... + 8102578.

Almost surely, 2^1199170666 is an apocalyptic number.

1199170666 is a deficient number, since it is larger than the sum of its proper divisors (648200474).

1199170666 is a wasteful number, since it uses less digits than its factorization.

1199170666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16205048.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 1199170666 is about 34629.0436772372. The cubic root of 1199170666 is about 1062.4137075201.

The spelling of 1199170666 in words is "one billion, one hundred ninety-nine million, one hundred seventy thousand, six hundred sixty-six".