816069160 has 16 divisors (see below), whose sum is σ = 1836155700. Its totient is φ = 326427648.

The previous prime is 816069113. The next prime is 816069161. The reversal of 816069160 is 61960618.

It can be written as a sum of positive squares in 2 ways, for example, as 815559364 + 509796 = 28558^2 + 714^2 .

It is not an unprimeable number, because it can be changed into a prime (816069161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10200825 + ... + 10200904.

Almost surely, 2^816069160 is an apocalyptic number.

It is an amenable number.

816069160 is an abundant number, since it is smaller than the sum of its proper divisors (1020086540).

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

816069160 is a wasteful number, since it uses less digits than its factorization.

816069160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20401740 (or 20401736 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 816069160 is about 28566.9242306553. The cubic root of 816069160 is about 934.4921451095.

The spelling of 816069160 in words is "eight hundred sixteen million, sixty-nine thousand, one hundred sixty".