166566096 has 30 divisors (see below), whose sum is σ = 466154130. Its totient is φ = 55521984.

The previous prime is 166566089. The next prime is 166566109. The reversal of 166566096 is 690665661.

166566096 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 150405696 + 16160400 = 12264^2 + 4020^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 578211 + ... + 578498.

It is an arithmetic number, because the mean of its divisors is an integer number (15538471).

Almost surely, 2^166566096 is an apocalyptic number.

166566096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

166566096 is an abundant number, since it is smaller than the sum of its proper divisors (299588034).

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

166566096 is a wasteful number, since it uses less digits than its factorization.

166566096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156723 (or 1156714 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 166566096 is about 12906.0488144126. The cubic root of 166566096 is about 550.2104935353.

The spelling of 166566096 in words is "one hundred sixty-six million, five hundred sixty-six thousand, ninety-six".