66483600672 has 96 divisors (see below), whose sum is σ = 176877449280. Its totient is φ = 21863347200.

The previous prime is 66483600647. The next prime is 66483600721. The reversal of 66483600672 is 27600638466.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2731854 + ... + 2756082.

It is an arithmetic number, because the mean of its divisors is an integer number (1842473430).

Almost surely, 2^66483600672 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 66483600672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88438724640).

66483600672 is an abundant number, since it is smaller than the sum of its proper divisors (110393848608).

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

66483600672 is a wasteful number, since it uses less digits than its factorization.

66483600672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24626 (or 24618 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 66483600672 in words is "sixty-six billion, four hundred eighty-three million, six hundred thousand, six hundred seventy-two".