899841161 has 16 divisors (see below), whose sum is σ = 965260800. Its totient is φ = 835860480.

The previous prime is 899841157. The next prime is 899841199. The reversal of 899841161 is 161148998.

899841161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 899841161 - 2² = 899841157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (899841661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 987296 + ... + 988206.

It is an arithmetic number, because the mean of its divisors is an integer number (60328800).

Almost surely, 2^899841161 is an apocalyptic number.

It is an amenable number.

899841161 is a deficient number, since it is larger than the sum of its proper divisors (65419639).

899841161 is a wasteful number, since it uses less digits than its factorization.

899841161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624.

The product of its digits is 124416, while the sum is 47.

The square root of 899841161 is about 29997.3525665183. The cubic root of 899841161 is about 965.4325822385.

The spelling of 899841161 in words is "eight hundred ninety-nine million, eight hundred forty-one thousand, one hundred sixty-one".