166288818 has 8 divisors (see below), whose sum is σ = 332577648. Its totient is φ = 55429604.

The previous prime is 166288799. The next prime is 166288823. The reversal of 166288818 is 818882661.

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

166288818 is an admirable 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, 13857396 + ... + 13857407.

It is an arithmetic number, because the mean of its divisors is an integer number (41572206).

Almost surely, 2^166288818 is an apocalyptic number.

166288818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166288818 is a wasteful number, since it uses less digits than its factorization.

166288818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27714808.

The product of its digits is 294912, while the sum is 48.

The square root of 166288818 is about 12895.3021678439. The cubic root of 166288818 is about 549.9050172066.

The spelling of 166288818 in words is "one hundred sixty-six million, two hundred eighty-eight thousand, eight hundred eighteen".