1016265818 has 16 divisors (see below), whose sum is σ = 1539122280. Its totient is φ = 503248896.

The previous prime is 1016265779. The next prime is 1016265823. The reversal of 1016265818 is 8185626101.

It can be written as a sum of positive squares in 4 ways, for example, as 968890129 + 47375689 = 31127^2 + 6883^2 .

It is a Curzon number.

It is an unprimeable number.

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, 82646 + ... + 94142.

Almost surely, 2^1016265818 is an apocalyptic number.

1016265818 is a deficient number, since it is larger than the sum of its proper divisors (522856462).

1016265818 is a wasteful number, since it uses less digits than its factorization.

1016265818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11921.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 1016265818 is about 31878.9243545010. The cubic root of 1016265818 is about 1005.3928047122.

The spelling of 1016265818 in words is "one billion, sixteen million, two hundred sixty-five thousand, eight hundred eighteen".