66309855096 has 16 divisors (see below), whose sum is σ = 165774637800. Its totient is φ = 22103285024.

The previous prime is 66309855037. The next prime is 66309855097. The reversal of 66309855096 is 69055890366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66309855097) 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 in 3 ways as a sum of consecutive naturals, for example, 1381455291 + ... + 1381455338.

Almost surely, 2^66309855096 is an apocalyptic number.

It is an amenable number.

66309855096 is an abundant number, since it is smaller than the sum of its proper divisors (99464782704).

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

66309855096 is a wasteful number, since it uses less digits than its factorization.

66309855096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762910638 (or 2762910634 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 57.

The spelling of 66309855096 in words is "sixty-six billion, three hundred nine million, eight hundred fifty-five thousand, ninety-six".