66075347359 has 16 divisors (see below), whose sum is σ = 79615214080. Its totient is φ = 53570069280.

The previous prime is 66075347353. The next prime is 66075347447. The reversal of 66075347359 is 95374357066.

It is not a de Polignac number, because 66075347359 - 2¹¹ = 66075345311 is a prime.

It is a super-2 number, since 2×66075347359² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66075347353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309744 + ... + 477589.

It is an arithmetic number, because the mean of its divisors is an integer number (4975950880).

Almost surely, 2^66075347359 is an apocalyptic number.

66075347359 is a deficient number, since it is larger than the sum of its proper divisors (13539866721).

66075347359 is a wasteful number, since it uses less digits than its factorization.

66075347359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787990.

The product of its (nonzero) digits is 14288400, while the sum is 55.

The spelling of 66075347359 in words is "sixty-six billion, seventy-five million, three hundred forty-seven thousand, three hundred fifty-nine".