66614537147 has 8 divisors (see below), whose sum is σ = 68812241280. Its totient is φ = 64419886080.

The previous prime is 66614537123. The next prime is 66614537153. The reversal of 66614537147 is 74173541666.

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 66614537147 - 2¹⁶ = 66614471611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66614537095 and 66614537104.

It is not an unprimeable number, because it can be changed into a prime (66614537167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718868 + ... + 806225.

It is an arithmetic number, because the mean of its divisors is an integer number (8601530160).

Almost surely, 2^66614537147 is an apocalyptic number.

66614537147 is a deficient number, since it is larger than the sum of its proper divisors (2197704133).

66614537147 is a wasteful number, since it uses less digits than its factorization.

66614537147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526533.

The product of its digits is 2540160, while the sum is 50.

The spelling of 66614537147 in words is "sixty-six billion, six hundred fourteen million, five hundred thirty-seven thousand, one hundred forty-seven".