1166672845 has 8 divisors (see below), whose sum is σ = 1507700376. Its totient is φ = 861542976.

The previous prime is 1166672833. The next prime is 1166672873. The reversal of 1166672845 is 5482766611.

It can be written as a sum of positive squares in 4 ways, for example, as 1747684 + 1164925161 = 1322^2 + 34131^2 .

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 1166672845 - 2¹⁷ = 1166541773 is a prime.

It is a super-2 number, since 2×1166672845² = 2722251054520788050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1166672795 and 1166672804.

It is a congruent number.

It is an unprimeable number.

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, 8974342 + ... + 8974471.

It is an arithmetic number, because the mean of its divisors is an integer number (188462547).

Almost surely, 2^1166672845 is an apocalyptic number.

It is an amenable number.

1166672845 is a deficient number, since it is larger than the sum of its proper divisors (341027531).

1166672845 is a wasteful number, since it uses less digits than its factorization.

1166672845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17948831.

The product of its digits is 483840, while the sum is 46.

The square root of 1166672845 is about 34156.5929946182. The cubic root of 1166672845 is about 1052.7284579192.

The spelling of 1166672845 in words is "one billion, one hundred sixty-six million, six hundred seventy-two thousand, eight hundred forty-five".