1066170757 has 2 divisors, whose sum is σ = 1066170758. Its totient is φ = 1066170756.

The previous prime is 1066170751. The next prime is 1066170797. The reversal of 1066170757 is 7570716601.

It is an a-pointer prime, because the next prime (1066170797) can be obtained adding 1066170757 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 735440161 + 330730596 = 27119^2 + 18186^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066170757 - 2¹⁹ = 1065646469 is a prime.

It is a super-2 number, since 2×1066170757² = 2273440166163906098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066170751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533085378 + 533085379.

It is an arithmetic number, because the mean of its divisors is an integer number (533085379).

Almost surely, 2^1066170757 is an apocalyptic number.

It is an amenable number.

1066170757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066170757 is an equidigital number, since it uses as much as digits as its factorization.

1066170757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 1066170757 is about 32652.2703192290. The cubic root of 1066170757 is about 1021.5875435402.

It can be divided in two parts, 10661 and 70757, that added together give a palindrome (81418).

The spelling of 1066170757 in words is "one billion, sixty-six million, one hundred seventy thousand, seven hundred fifty-seven".