166156608 has 56 divisors (see below), whose sum is σ = 440773312. Its totient is φ = 55240704.

The previous prime is 166156607. The next prime is 166156633. The reversal of 166156608 is 806651661.

166156608 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166156607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92616 + ... + 94392.

It is an arithmetic number, because the mean of its divisors is an integer number (7870952).

Almost surely, 2^166156608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 166156608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220386656).

166156608 is an abundant number, since it is smaller than the sum of its proper divisors (274616704).

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

166156608 is a wasteful number, since it uses less digits than its factorization.

166156608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 166156608 is about 12890.1748630498. The cubic root of 166156608 is about 549.7592422842.

The spelling of 166156608 in words is "one hundred sixty-six million, one hundred fifty-six thousand, six hundred eight".