816160 has 24 divisors (see below), whose sum is σ = 1928556. Its totient is φ = 326400.

The previous prime is 816157. The next prime is 816161. The reversal of 816160 is 61618.

It can be written as a sum of positive squares in 2 ways, for example, as 659344 + 156816 = 812^2 + 396^2 .

It is a super-2 number, since 2×816160² = 1332234291200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (816161) 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 3 ways as a sum of consecutive naturals, for example, 2391 + ... + 2710.

2⁸¹⁶¹⁶⁰ is an apocalyptic number.

816160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

816160 is an abundant number, since it is smaller than the sum of its proper divisors (1112396).

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

816160 is a wasteful number, since it uses less digits than its factorization.

816160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116 (or 5108 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 816160 is about 903.4157403986. The cubic root of 816160 is about 93.4526817872.

Adding to 816160 its reverse (61618), we get a palindrome (877778).

It can be divided in two parts, 81 and 6160, that added together give a square (6241 = 79²).

The spelling of 816160 in words is "eight hundred sixteen thousand, one hundred sixty".