66503496192 has 160 divisors (see below), whose sum is σ = 206613264000. Its totient is φ = 19000848384.

The previous prime is 66503496173. The next prime is 66503496289. The reversal of 66503496192 is 29169430566.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463734 + ... + 589962.

It is an arithmetic number, because the mean of its divisors is an integer number (1291332900).

Almost surely, 2^66503496192 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 66503496192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103306632000).

66503496192 is an abundant number, since it is smaller than the sum of its proper divisors (140109767808).

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

66503496192 is an equidigital number, since it uses as much as digits as its factorization.

66503496192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126271 (or 126241 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 51.

The spelling of 66503496192 in words is "sixty-six billion, five hundred three million, four hundred ninety-six thousand, one hundred ninety-two".