1000016845 has 4 divisors (see below), whose sum is σ = 1200020220. Its totient is φ = 800013472.

The previous prime is 1000016711. The next prime is 1000016863. The reversal of 1000016845 is 5486100001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 681679881 + 318336964 = 26109^2 + 17842^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000016845 - 2¹⁵ = 999984077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100001680 + ... + 100001689.

It is an arithmetic number, because the mean of its divisors is an integer number (300005055).

Almost surely, 2^1000016845 is an apocalyptic number.

It is an amenable number.

1000016845 is a deficient number, since it is larger than the sum of its proper divisors (200003375).

1000016845 is an equidigital number, since it uses as much as digits as its factorization.

1000016845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200003374.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1000016845 is about 31623.0429433981. The cubic root of 1000016845 is about 1000.0056149685.

Adding to 1000016845 its reverse (5486100001), we get a palindrome (6486116846).

The spelling of 1000016845 in words is "one billion, sixteen thousand, eight hundred forty-five".