1016813685 has 8 divisors (see below), whose sum is σ = 1626901920. Its totient is φ = 542300624.

The previous prime is 1016813669. The next prime is 1016813717. The reversal of 1016813685 is 5863186101.

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 1016813685 - 2⁴ = 1016813669 is a prime.

It is a Curzon number.

It is a congruent 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, 33893775 + ... + 33893804.

It is an arithmetic number, because the mean of its divisors is an integer number (203362740).

Almost surely, 2^1016813685 is an apocalyptic number.

1016813685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1016813685 is a deficient number, since it is larger than the sum of its proper divisors (610088235).

1016813685 is an equidigital number, since it uses as much as digits as its factorization.

1016813685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67787587.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1016813685 is about 31887.5161309250. The cubic root of 1016813685 is about 1005.5734407155.

Adding to 1016813685 its reverse (5863186101), we get a palindrome (6879999786).

The spelling of 1016813685 in words is "one billion, sixteen million, eight hundred thirteen thousand, six hundred eighty-five".