1160388257 has 6 divisors (see below), whose sum is σ = 1349839458. Its totient is φ = 994618464.

The previous prime is 1160388253. The next prime is 1160388283. The reversal of 1160388257 is 7528830611.

It can be written as a sum of positive squares in only one way, i.e., 1062694801 + 97693456 = 32599^2 + 9884^2 .

It is not a de Polignac number, because 1160388257 - 2² = 1160388253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1160388253) 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 5 ways as a sum of consecutive naturals, for example, 11840648 + ... + 11840745.

It is an arithmetic number, because the mean of its divisors is an integer number (224973243).

Almost surely, 2^1160388257 is an apocalyptic number.

It is an amenable number.

1160388257 is a deficient number, since it is larger than the sum of its proper divisors (189451201).

1160388257 is an equidigital number, since it uses as much as digits as its factorization.

1160388257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23681407 (or 23681400 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 1160388257 is about 34064.4720640141. The cubic root of 1160388257 is about 1050.8347879893.

The spelling of 1160388257 in words is "one billion, one hundred sixty million, three hundred eighty-eight thousand, two hundred fifty-seven".