1066052377 has 4 divisors (see below), whose sum is σ = 1148056420. Its totient is φ = 984048336.

The previous prime is 1066052363. The next prime is 1066052381. The reversal of 1066052377 is 7732506601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7732506601 = 389 ⋅19877909.

It can be written as a sum of positive squares in 2 ways, for example, as 94109401 + 971942976 = 9701^2 + 31176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066052377 - 2¹⁵ = 1066019609 is a prime.

It is a super-2 number, since 2×1066052377² = 2272935341014700258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066052387) 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 in 3 ways as a sum of consecutive naturals, for example, 41002002 + ... + 41002027.

It is an arithmetic number, because the mean of its divisors is an integer number (287014105).

Almost surely, 2^1066052377 is an apocalyptic number.

It is an amenable number.

1066052377 is a deficient number, since it is larger than the sum of its proper divisors (82004043).

1066052377 is an equidigital number, since it uses as much as digits as its factorization.

1066052377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82004042.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 1066052377 is about 32650.4575312506. The cubic root of 1066052377 is about 1021.5497322082.

Adding to 1066052377 its reverse (7732506601), we get a palindrome (8798558978).

The spelling of 1066052377 in words is "one billion, sixty-six million, fifty-two thousand, three hundred seventy-seven".