66097246328 has 8 divisors (see below), whose sum is σ = 123932336880. Its totient is φ = 33048623160.

The previous prime is 66097246289. The next prime is 66097246351. The reversal of 66097246328 is 82364279066.

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 66097246328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4131077888 + ... + 4131077903.

It is an arithmetic number, because the mean of its divisors is an integer number (15491542110).

Almost surely, 2^66097246328 is an apocalyptic number.

It is an amenable number.

66097246328 is a deficient number, since it is larger than the sum of its proper divisors (57835090552).

66097246328 is a wasteful number, since it uses less digits than its factorization.

66097246328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8262155797 (or 8262155793 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 66097246328 in words is "sixty-six billion, ninety-seven million, two hundred forty-six thousand, three hundred twenty-eight".