166807648 has 24 divisors (see below), whose sum is σ = 375317712. Its totient is φ = 71488896.

The previous prime is 166807637. The next prime is 166807651. The reversal of 166807648 is 846708661.

It is a happy number.

166807648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 166807598 and 166807607.

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 3 ways as a sum of consecutive naturals, for example, 372115 + ... + 372562.

It is an arithmetic number, because the mean of its divisors is an integer number (15638238).

Almost surely, 2^166807648 is an apocalyptic number.

It is an amenable number.

166807648 is an abundant number, since it is smaller than the sum of its proper divisors (208510064).

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

166807648 is an equidigital number, since it uses as much as digits as its factorization.

166807648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744694 (or 744686 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 166807648 is about 12915.4035167315. The cubic root of 166807648 is about 550.4763344529.

The spelling of 166807648 in words is "one hundred sixty-six million, eight hundred seven thousand, six hundred forty-eight".