816130 has 32 divisors (see below), whose sum is σ = 1710720. Its totient is φ = 274560.

The previous prime is 816121. The next prime is 816131. The reversal of 816130 is 31618.

It is a junction number, because it is equal to n+sod(n) for n = 816098 and 816107.

It is not an unprimeable number, because it can be changed into a prime (816131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6165 + ... + 6295.

It is an arithmetic number, because the mean of its divisors is an integer number (53460).

2⁸¹⁶¹³⁰ is an apocalyptic number.

816130 is an abundant number, since it is smaller than the sum of its proper divisors (894590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

816130 is a wasteful number, since it uses less digits than its factorization.

816130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 816130 is about 903.3991365947. The cubic root of 816130 is about 93.4515367442.

Adding to 816130 its reverse (31618), we get a palindrome (847748).

It can be divided in two parts, 816 and 130, that added together give a triangular number (946 = T₄₃).

The spelling of 816130 in words is "eight hundred sixteen thousand, one hundred thirty".