1033668081 has 8 divisors (see below), whose sum is σ = 1531360160. Its totient is φ = 689112036.

The previous prime is 1033668073. The next prime is 1033668089. The reversal of 1033668081 is 1808663301.

It is an interprime number because it is at equal distance from previous prime (1033668073) and next prime (1033668089).

It is not a de Polignac number, because 1033668081 - 2³ = 1033668073 is a prime.

It is a super-2 number, since 2×1033668081² = 2136939403356445122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1033668089) 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 7 ways as a sum of consecutive naturals, for example, 19141975 + ... + 19142028.

It is an arithmetic number, because the mean of its divisors is an integer number (191420020).

Almost surely, 2^1033668081 is an apocalyptic number.

It is an amenable number.

1033668081 is a deficient number, since it is larger than the sum of its proper divisors (497692079).

1033668081 is an equidigital number, since it uses as much as digits as its factorization.

1033668081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38284012 (or 38284006 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1033668081 is about 32150.7088724339. The cubic root of 1033668081 is about 1011.0990490177.

The spelling of 1033668081 in words is "one billion, thirty-three million, six hundred sixty-eight thousand, eighty-one".