1166366061 has 60 divisors (see below), whose sum is σ = 2055857760. Its totient is φ = 656948880.

The previous prime is 1166365997. The next prime is 1166366101. The reversal of 1166366061 is 1606636611.

It is a happy number.

1166366061 is a `hidden beast` number, since 1 + 16 + 6 + 36 + 606 + 1 = 666.

It is not a de Polignac number, because 1166366061 - 2⁶ = 1166365997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166366161) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 279730 + ... + 283868.

It is an arithmetic number, because the mean of its divisors is an integer number (34264296).

Almost surely, 2^1166366061 is an apocalyptic number.

It is an amenable number.

1166366061 is a deficient number, since it is larger than the sum of its proper divisors (889491699).

1166366061 is an equidigital number, since it uses as much as digits as its factorization.

1166366061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236 (or 4220 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1166366061 is about 34152.1018533267. The cubic root of 1166366061 is about 1052.6361759623.

The spelling of 1166366061 in words is "one billion, one hundred sixty-six million, three hundred sixty-six thousand, sixty-one".