528668166 has 24 divisors (see below), whose sum is σ = 1144928520. Its totient is φ = 162666816.

The previous prime is 528668149. The next prime is 528668171. The reversal of 528668166 is 661866825.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259671 + ... + 261698.

It is an arithmetic number, because the mean of its divisors is an integer number (47705355).

Almost surely, 2^528668166 is an apocalyptic number.

528668166 is an abundant number, since it is smaller than the sum of its proper divisors (616260354).

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

528668166 is a wasteful number, since it uses less digits than its factorization.

528668166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521400 (or 521387 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 528668166 is about 22992.7850857611. The cubic root of 528668166 is about 808.5887971759.

The spelling of 528668166 in words is "five hundred twenty-eight million, six hundred sixty-eight thousand, one hundred sixty-six".