66026752655705 has 16 divisors (see below), whose sum is σ = 83605932051840. Its totient is φ = 49957124815488.

The previous prime is 66026752655693. The next prime is 66026752655761. The reversal of 66026752655705 is 50755625762066.

It is a cyclic number.

It is not a de Polignac number, because 66026752655705 - 2⁶ = 66026752655641 is a prime.

It is a super-3 number, since 3×66026752655705³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3225527267 + ... + 3225547736.

It is an arithmetic number, because the mean of its divisors is an integer number (5225370753240).

Almost surely, 2^{66026752655705} is an apocalyptic number.

It is an amenable number.

66026752655705 is a deficient number, since it is larger than the sum of its proper divisors (17579179396135).

66026752655705 is a wasteful number, since it uses less digits than its factorization.

66026752655705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451075120.

The product of its (nonzero) digits is 158760000, while the sum is 62.

The spelling of 66026752655705 in words is "sixty-six trillion, twenty-six billion, seven hundred fifty-two million, six hundred fifty-five thousand, seven hundred five".