66146747030 has 96 divisors (see below), whose sum is σ = 147963423168. Its totient is φ = 20846592000.

The previous prime is 66146746999. The next prime is 66146747033. The reversal of 66146747030 is 3074764166.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66146747033) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2839430 + ... + 2862630.

It is an arithmetic number, because the mean of its divisors is an integer number (1541285658).

Almost surely, 2^66146747030 is an apocalyptic number.

66146747030 is an abundant number, since it is smaller than the sum of its proper divisors (81816676138).

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

66146747030 is a wasteful number, since it uses less digits than its factorization.

66146747030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23482 (or 23469 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 66146747030 in words is "sixty-six billion, one hundred forty-six million, seven hundred forty-seven thousand, thirty".