66601016112 has 40 divisors (see below), whose sum is σ = 175713325056. Its totient is φ = 21727990336.

The previous prime is 66601016051. The next prime is 66601016129. The reversal of 66601016112 is 21161010666.

It is a self number, because there is not a number n which added to its sum of digits gives 66601016112.

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 7 ways as a sum of consecutive naturals, for example, 14758608 + ... + 14763119.

Almost surely, 2^66601016112 is an apocalyptic number.

It is an amenable number.

66601016112 is an abundant number, since it is smaller than the sum of its proper divisors (109112308944).

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

66601016112 is a wasteful number, since it uses less digits than its factorization.

66601016112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29521785 (or 29521779 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

Adding to 66601016112 its reverse (21161010666), we get a palindrome (87762026778).

The spelling of 66601016112 in words is "sixty-six billion, six hundred one million, sixteen thousand, one hundred twelve".