166240608 has 48 divisors (see below), whose sum is σ = 441307440. Its totient is φ = 54788096.

The previous prime is 166240597. The next prime is 166240639. The reversal of 166240608 is 806042661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185 + ... + 18272.

It is an arithmetic number, because the mean of its divisors is an integer number (9193905).

Almost surely, 2^166240608 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 166240608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220653720).

166240608 is an abundant number, since it is smaller than the sum of its proper divisors (275066832).

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

166240608 is a wasteful number, since it uses less digits than its factorization.

166240608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19559 (or 19551 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 166240608 is about 12893.4327469452. The cubic root of 166240608 is about 549.8518697499.

The spelling of 166240608 in words is "one hundred sixty-six million, two hundred forty thousand, six hundred eight".