66059792705 has 16 divisors (see below), whose sum is σ = 86135692800. Its totient is φ = 48451322880.

The previous prime is 66059792683. The next prime is 66059792717. The reversal of 66059792705 is 50729795066.

It is a happy number.

It is not a de Polignac number, because 66059792705 - 2¹⁶ = 66059727169 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11212640 + ... + 11218529.

It is an arithmetic number, because the mean of its divisors is an integer number (5383480800).

Almost surely, 2^66059792705 is an apocalyptic number.

It is an amenable number.

66059792705 is a deficient number, since it is larger than the sum of its proper divisors (20075900095).

66059792705 is a wasteful number, since it uses less digits than its factorization.

66059792705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22431224.

The product of its (nonzero) digits is 7144200, while the sum is 56.

The spelling of 66059792705 in words is "sixty-six billion, fifty-nine million, seven hundred ninety-two thousand, seven hundred five".