8440115161 has 8 divisors (see below), whose sum is σ = 8487444800. Its totient is φ = 8392835088.

The previous prime is 8440115129. The next prime is 8440115183. The reversal of 8440115161 is 1615110448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8440115161 - 2⁵ = 8440115129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8440115111) 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, 360175 + ... + 382891.

It is an arithmetic number, because the mean of its divisors is an integer number (1060930600).

Almost surely, 2^8440115161 is an apocalyptic number.

It is an amenable number.

8440115161 is a deficient number, since it is larger than the sum of its proper divisors (47329639).

8440115161 is a wasteful number, since it uses less digits than its factorization.

8440115161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24783.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 8440115161 is about 91870.0993849468. The cubic root of 8440115161 is about 2036.0235207667.

The spelling of 8440115161 in words is "eight billion, four hundred forty million, one hundred fifteen thousand, one hundred sixty-one".