888868161 has 10 divisors (see below), whose sum is σ = 1327815522. Its totient is φ = 592578720.

The previous prime is 888868157. The next prime is 888868207. The reversal of 888868161 is 161868888.

888868161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 537080625 + 351787536 = 23175^2 + 18756^2 .

It is not a de Polignac number, because 888868161 - 2² = 888868157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 888868098 and 888868107.

It is not an unprimeable number, because it can be changed into a prime (888868111) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5486760 + ... + 5486921.

Almost surely, 2^888868161 is an apocalyptic number.

888868161 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

It is an amenable number.

888868161 is a deficient number, since it is larger than the sum of its proper divisors (438947361).

888868161 is a wasteful number, since it uses less digits than its factorization.

888868161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10973693 (or 10973684 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 54.

The square root of 888868161 is about 29813.8920807063. The cubic root of 888868161 is about 961.4922397830.

The spelling of 888868161 in words is "eight hundred eighty-eight million, eight hundred sixty-eight thousand, one hundred sixty-one".