1166120066 has 8 divisors (see below), whose sum is σ = 1852073100. Its totient is φ = 548762368.

The previous prime is 1166120063. The next prime is 1166120119. The reversal of 1166120066 is 6600216611.

It can be written as a sum of positive squares in 2 ways, for example, as 1006729441 + 159390625 = 31729^2 + 12625^2 .

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 (1166120063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17148791 + ... + 17148858.

Almost surely, 2^1166120066 is an apocalyptic number.

1166120066 is a deficient number, since it is larger than the sum of its proper divisors (685953034).

1166120066 is a wasteful number, since it uses less digits than its factorization.

1166120066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34297668.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1166120066 is about 34148.5002013266. The cubic root of 1166120066 is about 1052.5621679097.

Adding to 1166120066 its reverse (6600216611), we get a palindrome (7766336677).

The spelling of 1166120066 in words is "one billion, one hundred sixty-six million, one hundred twenty thousand, sixty-six".