1016812081 has 8 divisors (see below), whose sum is σ = 1038804480. Its totient is φ = 995047872.

The previous prime is 1016812079. The next prime is 1016812117. The reversal of 1016812081 is 1802186101.

1016812081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1016812081 - 2¹ = 1016812079 is a prime.

It is a super-2 number, since 2×1016812081² = 2067813616135101122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1016812031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48025 + ... + 65878.

It is an arithmetic number, because the mean of its divisors is an integer number (129850560).

Almost surely, 2^1016812081 is an apocalyptic number.

It is an amenable number.

1016812081 is a deficient number, since it is larger than the sum of its proper divisors (21992399).

1016812081 is a wasteful number, since it uses less digits than its factorization.

1016812081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114095.

The product of its (nonzero) digits is 768, while the sum is 28.

The square root of 1016812081 is about 31887.4909800066. The cubic root of 1016812081 is about 1005.5729119590.

Adding to 1016812081 its reverse (1802186101), we get a palindrome (2818998182).

The spelling of 1016812081 in words is "one billion, sixteen million, eight hundred twelve thousand, eighty-one".