1166236105 has 8 divisors (see below), whose sum is σ = 1403449992. Its totient is φ = 930344448.

The previous prime is 1166236087. The next prime is 1166236129. The reversal of 1166236105 is 5016326611.

It can be written as a sum of positive squares in 4 ways, for example, as 30074256 + 1136161849 = 5484^2 + 33707^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1166236105 - 2¹⁷ = 1166105033 is a prime.

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, 328614 + ... + 332143.

It is an arithmetic number, because the mean of its divisors is an integer number (175431249).

Almost surely, 2^1166236105 is an apocalyptic number.

It is an amenable number.

1166236105 is a deficient number, since it is larger than the sum of its proper divisors (237213887).

1166236105 is an equidigital number, since it uses as much as digits as its factorization.

1166236105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661115.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1166236105 is about 34150.1991941482. The cubic root of 1166236105 is about 1052.5970797551.

The spelling of 1166236105 in words is "one billion, one hundred sixty-six million, two hundred thirty-six thousand, one hundred five".