66061002129 has 8 divisors (see below), whose sum is σ = 88753713312. Its totient is φ = 43704479520.

The previous prime is 66061002113. The next prime is 66061002191. The reversal of 66061002129 is 92120016066.

66061002129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66061002129 - 2⁴ = 66061002113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 66061002129.

It is not an unprimeable number, because it can be changed into a prime (66061002829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84046684 + ... + 84047469.

It is an arithmetic number, because the mean of its divisors is an integer number (11094214164).

Almost surely, 2^66061002129 is an apocalyptic number.

It is an amenable number.

66061002129 is a deficient number, since it is larger than the sum of its proper divisors (22692711183).

66061002129 is a wasteful number, since it uses less digits than its factorization.

66061002129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168094287.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 66061002129 in words is "sixty-six billion, sixty-one million, two thousand, one hundred twenty-nine".