66018576677369 has 8 divisors (see below), whose sum is σ = 68562159468000. Its totient is φ = 63520824207456.

The previous prime is 66018576677359. The next prime is 66018576677393. The reversal of 66018576677369 is 96377667581066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66018576677369 - 2²⁰ = 66018575628793 is a prime.

It is a super-2 number, since 2×66018576677369² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66018576677369.

It is not an unprimeable number, because it can be changed into a prime (66018576677359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11457577244 + ... + 11457583005.

It is an arithmetic number, because the mean of its divisors is an integer number (8570269933500).

Almost surely, 2^{66018576677369} is an apocalyptic number.

It is an amenable number.

66018576677369 is a deficient number, since it is larger than the sum of its proper divisors (2543582790631).

66018576677369 is a wasteful number, since it uses less digits than its factorization.

66018576677369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22915160359.

The product of its (nonzero) digits is 2880541440, while the sum is 77.

The spelling of 66018576677369 in words is "sixty-six trillion, eighteen billion, five hundred seventy-six million, six hundred seventy-seven thousand, three hundred sixty-nine".