1166057045 has 4 divisors (see below), whose sum is σ = 1399268460. Its totient is φ = 932845632.

The previous prime is 1166057023. The next prime is 1166057083. The reversal of 1166057045 is 5407506611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 290429764 + 875627281 = 17042^2 + 29591^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166057045 - 2¹² = 1166052949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1166056996 and 1166057014.

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 3 ways as a sum of consecutive naturals, for example, 116605700 + ... + 116605709.

It is an arithmetic number, because the mean of its divisors is an integer number (349817115).

Almost surely, 2^1166057045 is an apocalyptic number.

It is an amenable number.

1166057045 is a deficient number, since it is larger than the sum of its proper divisors (233211415).

1166057045 is an equidigital number, since it uses as much as digits as its factorization.

1166057045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233211414.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1166057045 is about 34147.5774396955. The cubic root of 1166057045 is about 1052.5432062500.

The spelling of 1166057045 in words is "one billion, one hundred sixty-six million, fifty-seven thousand, forty-five".