1166513473 has 8 divisors (see below), whose sum is σ = 1176791616. Its totient is φ = 1156256400.

The previous prime is 1166513461. The next prime is 1166513507. The reversal of 1166513473 is 3743156611.

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 1166513473 - 2¹³ = 1166505281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1166513773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118540 + ... + 128002.

It is an arithmetic number, because the mean of its divisors is an integer number (147098952).

Almost surely, 2^1166513473 is an apocalyptic number.

It is an amenable number.

1166513473 is a deficient number, since it is larger than the sum of its proper divisors (10278143).

1166513473 is an equidigital number, since it uses as much as digits as its factorization.

1166513473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10535.

The product of its digits is 45360, while the sum is 37.

The square root of 1166513473 is about 34154.2599539208. The cubic root of 1166513473 is about 1052.6805201502.

The spelling of 1166513473 in words is "one billion, one hundred sixty-six million, five hundred thirteen thousand, four hundred seventy-three".