1166001069 has 4 divisors (see below), whose sum is σ = 1554668096. Its totient is φ = 777334044.

The previous prime is 1166001037. The next prime is 1166001079. The reversal of 1166001069 is 9601006611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1166001069 - 2⁵ = 1166001037 is a prime.

It is a super-2 number, since 2×1166001069² = 2719116985818285522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166001079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194333509 + ... + 194333514.

It is an arithmetic number, because the mean of its divisors is an integer number (388667024).

Almost surely, 2^1166001069 is an apocalyptic number.

It is an amenable number.

1166001069 is a deficient number, since it is larger than the sum of its proper divisors (388667027).

1166001069 is an equidigital number, since it uses as much as digits as its factorization.

1166001069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388667026.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1166001069 is about 34146.7578109548. The cubic root of 1166001069 is about 1052.5263637060.

The spelling of 1166001069 in words is "one billion, one hundred sixty-six million, one thousand, sixty-nine".