166663448 has 16 divisors (see below), whose sum is σ = 357136080. Its totient is φ = 71427168.

The previous prime is 166663439. The next prime is 166663489. The reversal of 166663448 is 844366661.

166663448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 166663399 and 166663408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488011 + ... + 1488122.

It is an arithmetic number, because the mean of its divisors is an integer number (22321005).

Almost surely, 2^166663448 is an apocalyptic number.

It is an amenable number.

166663448 is an abundant number, since it is smaller than the sum of its proper divisors (190472632).

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

166663448 is a wasteful number, since it uses less digits than its factorization.

166663448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976146 (or 2976142 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 166663448 is about 12909.8198283322. The cubic root of 166663448 is about 550.3176655252.

The spelling of 166663448 in words is "one hundred sixty-six million, six hundred sixty-three thousand, four hundred forty-eight".