1036660081 has 4 divisors (see below), whose sum is σ = 1037092464. Its totient is φ = 1036227700.

The previous prime is 1036659971. The next prime is 1036660103. The reversal of 1036660081 is 1800666301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1800666301 = 7 ⋅257238043.

It is a cyclic number.

It is not a de Polignac number, because 1036660081 - 2¹¹ = 1036658033 is a prime.

It is a super-2 number, since 2×1036660081² = 2149328247077853122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1036660981) 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, 212575 + ... + 217396.

It is an arithmetic number, because the mean of its divisors is an integer number (259273116).

Almost surely, 2^1036660081 is an apocalyptic number.

It is an amenable number.

1036660081 is a deficient number, since it is larger than the sum of its proper divisors (432383).

1036660081 is an equidigital number, since it uses as much as digits as its factorization.

1036660081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432382.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1036660081 is about 32197.2061054993. The cubic root of 1036660081 is about 1012.0736668944.

The spelling of 1036660081 in words is "one billion, thirty-six million, six hundred sixty thousand, eighty-one".