66530118296 has 8 divisors (see below), whose sum is σ = 124743971820. Its totient is φ = 33265059144.

The previous prime is 66530118293. The next prime is 66530118311. The reversal of 66530118296 is 69281103566.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 66530118296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66530118293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4158132386 + ... + 4158132401.

Almost surely, 2^66530118296 is an apocalyptic number.

It is an amenable number.

66530118296 is a deficient number, since it is larger than the sum of its proper divisors (58213853524).

66530118296 is a wasteful number, since it uses less digits than its factorization.

66530118296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316264793 (or 8316264789 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 66530118296 in words is "sixty-six billion, five hundred thirty million, one hundred eighteen thousand, two hundred ninety-six".