8685440162 has 32 divisors (see below), whose sum is σ = 15314946048. Its totient is φ = 3616232256.

The previous prime is 8685440161. The next prime is 8685440171. The reversal of 8685440162 is 2610445868.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8685440161) 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 15 ways as a sum of consecutive naturals, for example, 338303 + ... + 363069.

It is an arithmetic number, because the mean of its divisors is an integer number (478592064).

Almost surely, 2^8685440162 is an apocalyptic number.

8685440162 is a deficient number, since it is larger than the sum of its proper divisors (6629505886).

8685440162 is a wasteful number, since it uses less digits than its factorization.

8685440162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25490.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 8685440162 is about 93195.7089248212. The cubic root of 8685440162 is about 2055.5621435384.

The spelling of 8685440162 in words is "eight billion, six hundred eighty-five million, four hundred forty thousand, one hundred sixty-two".