2007666859 has 16 divisors (see below), whose sum is σ = 2237158656. Its totient is φ = 1786356000.

The previous prime is 2007666853. The next prime is 2007666877. The reversal of 2007666859 is 9586667002.

It is a happy number.

It is not a de Polignac number, because 2007666859 - 2³ = 2007666851 is a prime.

It is a super-3 number, since 3×2007666859³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2007666851) by changing a digit.

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, 107034 + ... + 124384.

It is an arithmetic number, because the mean of its divisors is an integer number (139822416).

Almost surely, 2^2007666859 is an apocalyptic number.

2007666859 is a deficient number, since it is larger than the sum of its proper divisors (229491797).

2007666859 is a wasteful number, since it uses less digits than its factorization.

2007666859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17586.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 2007666859 is about 44806.9956480012. The cubic root of 2007666859 is about 1261.5289365751.

It can be divided in two parts, 2007 and 666859, that added together give a palindrome (668866).

The spelling of 2007666859 in words is "two billion, seven million, six hundred sixty-six thousand, eight hundred fifty-nine".