1016786263 has 4 divisors (see below), whose sum is σ = 1017714240. Its totient is φ = 1015858288.

The previous prime is 1016786261. The next prime is 1016786293. The reversal of 1016786263 is 3626876101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3626876101 = 17 ⋅213345653.

It is a cyclic number.

It is not a de Polignac number, because 1016786263 - 2¹ = 1016786261 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 (1016786261) 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 3 ways as a sum of consecutive naturals, for example, 462343 + ... + 464536.

It is an arithmetic number, because the mean of its divisors is an integer number (254428560).

Almost surely, 2^1016786263 is an apocalyptic number.

1016786263 is a deficient number, since it is larger than the sum of its proper divisors (927977).

1016786263 is an equidigital number, since it uses as much as digits as its factorization.

1016786263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927976.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1016786263 is about 31887.0861478436. The cubic root of 1016786263 is about 1005.5644010120.

The spelling of 1016786263 in words is "one billion, sixteen million, seven hundred eighty-six thousand, two hundred sixty-three".