816101210 has 16 divisors (see below), whose sum is σ = 1483528392. Its totient is φ = 323208000.

The previous prime is 816101207. The next prime is 816101213. The reversal of 816101210 is 12101618.

816101210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (816101207) and next prime (816101213).

It can be written as a sum of positive squares in 4 ways, for example, as 670343881 + 145757329 = 25891^2 + 12073^2 .

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

It is not an unprimeable number, because it can be changed into a prime (816101213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403001 + ... + 405020.

Almost surely, 2^816101210 is an apocalyptic number.

816101210 is a deficient number, since it is larger than the sum of its proper divisors (667427182).

816101210 is a wasteful number, since it uses less digits than its factorization.

816101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808129.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 816101210 is about 28567.4851885846. The cubic root of 816101210 is about 934.5043785829.

Adding to 816101210 its reverse (12101618), we get a palindrome (828202828).

The spelling of 816101210 in words is "eight hundred sixteen million, one hundred one thousand, two hundred ten".