288820166 has 8 divisors (see below), whose sum is σ = 433952904. Its totient is φ = 144169200.

The previous prime is 288820151. The next prime is 288820171. The reversal of 288820166 is 661028882.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118940 + ... + 121343.

It is an arithmetic number, because the mean of its divisors is an integer number (54244113).

Almost surely, 2^288820166 is an apocalyptic number.

288820166 is a deficient number, since it is larger than the sum of its proper divisors (145132738).

288820166 is a wasteful number, since it uses less digits than its factorization.

288820166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240886.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 288820166 is about 16994.7099416260. The cubic root of 288820166 is about 661.0117372300.

The spelling of 288820166 in words is "two hundred eighty-eight million, eight hundred twenty thousand, one hundred sixty-six".