66310102050 has 96 divisors (see below), whose sum is σ = 170370000384. Its totient is φ = 17050176000.

The previous prime is 66310102009. The next prime is 66310102051. The reversal of 66310102050 is 5020101366.

66310102050 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 66310102050.

It is not an unprimeable number, because it can be changed into a prime (66310102051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1262310 + ... + 1313790.

It is an arithmetic number, because the mean of its divisors is an integer number (1774687504).

Almost surely, 2^66310102050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66310102050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85185000192).

66310102050 is an abundant number, since it is smaller than the sum of its proper divisors (104059898334).

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

66310102050 is a wasteful number, since it uses less digits than its factorization.

66310102050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51804 (or 51799 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The spelling of 66310102050 in words is "sixty-six billion, three hundred ten million, one hundred two thousand, fifty".