66670848 has 108 divisors (see below), whose sum is σ = 202478640. Its totient is φ = 21040128.

The previous prime is 66670847. The next prime is 66670897. The reversal of 66670848 is 84807666.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66670841) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 43015 + ... + 44537.

Almost surely, 2^66670848 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 66670848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101239320).

66670848 is an abundant number, since it is smaller than the sum of its proper divisors (135807792).

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

66670848 is a wasteful number, since it uses less digits than its factorization.

66670848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564 (or 1547 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 66670848 is about 8165.2218585902. The cubic root of 66670848 is about 405.4886100990.

The spelling of 66670848 in words is "sixty-six million, six hundred seventy thousand, eight hundred forty-eight".