66212011050 has 48 divisors (see below), whose sum is σ = 166455209280. Its totient is φ = 17414663040.

The previous prime is 66212011039. The next prime is 66212011051. The reversal of 66212011050 is 5011021266.

66212011050 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 66212011050.

It is not an unprimeable number, because it can be changed into a prime (66212011051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3012430 + ... + 3034329.

It is an arithmetic number, because the mean of its divisors is an integer number (3467816860).

Almost surely, 2^66212011050 is an apocalyptic number.

66212011050 is an abundant number, since it is smaller than the sum of its proper divisors (100243198230).

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

66212011050 is a wasteful number, since it uses less digits than its factorization.

66212011050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6046847 (or 6046842 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 66212011050 in words is "sixty-six billion, two hundred twelve million, eleven thousand, fifty".