1166010447 has 16 divisors (see below), whose sum is σ = 1803299072. Its totient is φ = 656346240.

The previous prime is 1166010437. The next prime is 1166010457. The reversal of 1166010447 is 7440106611.

It is an interprime number because it is at equal distance from previous prime (1166010437) and next prime (1166010457).

It is not a de Polignac number, because 1166010447 - 2⁴ = 1166010431 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 (1166010407) 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 15 ways as a sum of consecutive naturals, for example, 412954 + ... + 415767.

It is an arithmetic number, because the mean of its divisors is an integer number (112706192).

Almost surely, 2^1166010447 is an apocalyptic number.

1166010447 is a deficient number, since it is larger than the sum of its proper divisors (637288625).

1166010447 is an equidigital number, since it uses as much as digits as its factorization.

1166010447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828798.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1166010447 is about 34146.8951297186. The cubic root of 1166010447 is about 1052.5291854775.

The spelling of 1166010447 in words is "one billion, one hundred sixty-six million, ten thousand, four hundred forty-seven".