1016818109 has 8 divisors (see below), whose sum is σ = 1061802432. Its totient is φ = 971898400.

The previous prime is 1016818087. The next prime is 1016818123. The reversal of 1016818109 is 9018186101.

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 1016818109 - 2⁸ = 1016817853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1016818129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17534 + ... + 48384.

It is an arithmetic number, because the mean of its divisors is an integer number (132725304).

Almost surely, 2^1016818109 is an apocalyptic number.

It is an amenable number.

1016818109 is a deficient number, since it is larger than the sum of its proper divisors (44984323).

1016818109 is a wasteful number, since it uses less digits than its factorization.

1016818109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32307.

The product of its (nonzero) digits is 3456, while the sum is 35.

The square root of 1016818109 is about 31887.5854996894. The cubic root of 1016818109 is about 1005.5748990786.

The spelling of 1016818109 in words is "one billion, sixteen million, eight hundred eighteen thousand, one hundred nine".