66430848 has 64 divisors (see below), whose sum is σ = 192510720. Its totient is φ = 20129280.

The previous prime is 66430841. The next prime is 66430879. The reversal of 66430848 is 84803466.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66430841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3640 + ... + 12087.

It is an arithmetic number, because the mean of its divisors is an integer number (3007980).

Almost surely, 2^66430848 is an apocalyptic number.

It is an amenable number.

66430848 is an abundant number, since it is smaller than the sum of its proper divisors (126079872).

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

66430848 is a wasteful number, since it uses less digits than its factorization.

66430848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15755 (or 15743 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 66430848 is about 8150.5121311486. The cubic root of 66430848 is about 405.0014692829.

The spelling of 66430848 in words is "sixty-six million, four hundred thirty thousand, eight hundred forty-eight".