166497606 has 80 divisors (see below), whose sum is σ = 409760208. Its totient is φ = 50112000.

The previous prime is 166497601. The next prime is 166497623. The reversal of 166497606 is 606794661.

It is a happy number.

166497606 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 is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166497601) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 415006 + ... + 415406.

Almost surely, 2^166497606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166497606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204880104).

166497606 is an abundant number, since it is smaller than the sum of its proper divisors (243262602).

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

166497606 is a wasteful number, since it uses less digits than its factorization.

166497606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 166497606 is about 12903.3951346148. The cubic root of 166497606 is about 550.1350698569.

The spelling of 166497606 in words is "one hundred sixty-six million, four hundred ninety-seven thousand, six hundred six".