816107 has 4 divisors (see below), whose sum is σ = 859080. Its totient is φ = 773136.

The previous prime is 816103. The next prime is 816113. The reversal of 816107 is 701618.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701618 = 2 ⋅350809.

It is a cyclic number.

It is not a de Polignac number, because 816107 - 2² = 816103 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 816107.

It is not an unprimeable number, because it can be changed into a prime (816103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21458 + ... + 21495.

It is an arithmetic number, because the mean of its divisors is an integer number (214770).

2⁸¹⁶¹⁰⁷ is an apocalyptic number.

816107 is a deficient number, since it is larger than the sum of its proper divisors (42973).

816107 is a wasteful number, since it uses less digits than its factorization.

816107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42972.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 816107 is about 903.3864068050. The cubic root of 816107 is about 93.4506588590.

The spelling of 816107 in words is "eight hundred sixteen thousand, one hundred seven".