66040822532 has 12 divisors (see below), whose sum is σ = 115573334016. Its totient is φ = 33019869960.

The previous prime is 66040822531. The next prime is 66040822567. The reversal of 66040822532 is 23522804066.

66040822532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66040822532² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66040822531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282557 + ... + 460347.

It is an arithmetic number, because the mean of its divisors is an integer number (9631111168).

Almost surely, 2^66040822532 is an apocalyptic number.

It is an amenable number.

66040822532 is a deficient number, since it is larger than the sum of its proper divisors (49532511484).

66040822532 is a wasteful number, since it uses less digits than its factorization.

66040822532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270658 (or 270656 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 66040822532 in words is "sixty-six billion, forty million, eight hundred twenty-two thousand, five hundred thirty-two".