66075656512062 has 16 divisors (see below), whose sum is σ = 132151440377232. Its totient is φ = 22025197611840.

The previous prime is 66075656512049. The next prime is 66075656512111. The reversal of 66075656512062 is 26021565657066.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 66075656511993 and 66075656512011.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2270808 + ... + 11717844.

It is an arithmetic number, because the mean of its divisors is an integer number (8259465023577).

Almost surely, 2^{66075656512062} is an apocalyptic number.

66075656512062 is an abundant number, since it is smaller than the sum of its proper divisors (66075783865170).

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

66075656512062 is a wasteful number, since it uses less digits than its factorization.

66075656512062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10612763.

The product of its (nonzero) digits is 27216000, while the sum is 57.

The spelling of 66075656512062 in words is "sixty-six trillion, seventy-five billion, six hundred fifty-six million, five hundred twelve thousand, sixty-two".