66224015180 has 24 divisors (see below), whose sum is σ = 139206952080. Its totient is φ = 26463602240.

The previous prime is 66224015149. The next prime is 66224015303. The reversal of 66224015180 is 8151042266.

66224015180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 66224015180.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604351 + ... + 1645110.

It is an arithmetic number, because the mean of its divisors is an integer number (5800289670).

Almost surely, 2^66224015180 is an apocalyptic number.

It is an amenable number.

66224015180 is an abundant number, since it is smaller than the sum of its proper divisors (72982936900).

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

66224015180 is a wasteful number, since it uses less digits than its factorization.

66224015180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3250489 (or 3250487 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 66224015180 in words is "sixty-six billion, two hundred twenty-four million, fifteen thousand, one hundred eighty".