1166065101 has 24 divisors (see below), whose sum is σ = 1731766400. Its totient is φ = 755523936.

The previous prime is 1166065097. The next prime is 1166065127. The reversal of 1166065101 is 1015606611.

1166065101 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 0 + 651 + 0 + 1 = 666.

It is not a de Polignac number, because 1166065101 - 2² = 1166065097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166065181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 464616 + ... + 467118.

Almost surely, 2^1166065101 is an apocalyptic number.

It is an amenable number.

1166065101 is a deficient number, since it is larger than the sum of its proper divisors (565701299).

1166065101 is a wasteful number, since it uses less digits than its factorization.

1166065101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945 (or 3942 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1166065101 is about 34147.6953980792. The cubic root of 1166065101 is about 1052.5456301648.

The spelling of 1166065101 in words is "one billion, one hundred sixty-six million, sixty-five thousand, one hundred one".