1166650265 has 8 divisors (see below), whose sum is σ = 1527251328. Its totient is φ = 848472880.

The previous prime is 1166650223. The next prime is 1166650271. The reversal of 1166650265 is 5620566611.

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

It is not a de Polignac number, because 1166650265 - 2³⁰ = 92908441 is a prime.

It is a super-2 number, since 2×1166650265² = 2722145681649140450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10605857 + ... + 10605966.

It is an arithmetic number, because the mean of its divisors is an integer number (190906416).

Almost surely, 2^1166650265 is an apocalyptic number.

It is an amenable number.

1166650265 is a deficient number, since it is larger than the sum of its proper divisors (360601063).

1166650265 is a wasteful number, since it uses less digits than its factorization.

1166650265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21211839.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1166650265 is about 34156.2624565394. The cubic root of 1166650265 is about 1052.7216663089.

The spelling of 1166650265 in words is "one billion, one hundred sixty-six million, six hundred fifty thousand, two hundred sixty-five".