1166238445 has 8 divisors (see below), whose sum is σ = 1444631040. Its totient is φ = 902894160.

The previous prime is 1166238439. The next prime is 1166238457. The reversal of 1166238445 is 5448326611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1166238445 - 2⁵ = 1166238413 is a prime.

It is a super-2 number, since 2×1166238445² = 2720224221192036050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1166238398 and 1166238407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3761905 + ... + 3762214.

It is an arithmetic number, because the mean of its divisors is an integer number (180578880).

Almost surely, 2^1166238445 is an apocalyptic number.

It is an amenable number.

1166238445 is a deficient number, since it is larger than the sum of its proper divisors (278392595).

1166238445 is an equidigital number, since it uses as much as digits as its factorization.

1166238445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7524155.

The product of its digits is 138240, while the sum is 40.

The square root of 1166238445 is about 34150.2334545461. The cubic root of 1166238445 is about 1052.5977837507.

The spelling of 1166238445 in words is "one billion, one hundred sixty-six million, two hundred thirty-eight thousand, four hundred forty-five".