66275771142252 has 48 divisors (see below), whose sum is σ = 178721180628480. Its totient is φ = 18723171299712.

The previous prime is 66275771142209. The next prime is 66275771142283. The reversal of 66275771142252 is 25224117757266.

66275771142252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 66275771142192 and 66275771142201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4432561488 + ... + 4432576439.

It is an arithmetic number, because the mean of its divisors is an integer number (3723357929760).

Almost surely, 2^{66275771142252} is an apocalyptic number.

It is an amenable number.

66275771142252 is an abundant number, since it is smaller than the sum of its proper divisors (112445409486228).

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

66275771142252 is a wasteful number, since it uses less digits than its factorization.

66275771142252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8865138030 (or 8865138028 counting only the distinct ones).

The product of its digits is 19756800, while the sum is 57.

The spelling of 66275771142252 in words is "sixty-six trillion, two hundred seventy-five billion, seven hundred seventy-one million, one hundred forty-two thousand, two hundred fifty-two".