288118161 has 32 divisors (see below), whose sum is σ = 443779200. Its totient is φ = 184524480.

The previous prime is 288118141. The next prime is 288118163. The reversal of 288118161 is 161811882.

It is a happy number.

It is not a de Polignac number, because 288118161 - 2²³ = 279729553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (288118163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176931 + ... + 178551.

It is an arithmetic number, because the mean of its divisors is an integer number (13868100).

Almost surely, 2^288118161 is an apocalyptic number.

It is an amenable number.

288118161 is a deficient number, since it is larger than the sum of its proper divisors (155661039).

288118161 is a wasteful number, since it uses less digits than its factorization.

288118161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1880 counting only the distinct ones).

The product of its digits is 6144, while the sum is 36.

The square root of 288118161 is about 16974.0437433159. The cubic root of 288118161 is about 660.4757520196.

The spelling of 288118161 in words is "two hundred eighty-eight million, one hundred eighteen thousand, one hundred sixty-one".