166028318 has 4 divisors (see below), whose sum is σ = 249042480. Its totient is φ = 83014158.

The previous prime is 166028309. The next prime is 166028323. The reversal of 166028318 is 813820661.

166028318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41507078 + ... + 41507081.

It is an arithmetic number, because the mean of its divisors is an integer number (62260620).

Almost surely, 2^166028318 is an apocalyptic number.

166028318 is a deficient number, since it is larger than the sum of its proper divisors (83014162).

166028318 is an equidigital number, since it uses as much as digits as its factorization.

166028318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83014161.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 166028318 is about 12885.1976313908. The cubic root of 166028318 is about 549.6177156172.

Adding to 166028318 its reverse (813820661), we get a palindrome (979848979).

The spelling of 166028318 in words is "one hundred sixty-six million, twenty-eight thousand, three hundred eighteen".