2086666802 has 32 divisors (see below), whose sum is σ = 3692355840. Its totient is φ = 873690880.

The previous prime is 2086666793. The next prime is 2086666807.

It is a happy number.

2086666802 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (2086666807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41777 + ... + 76932.

It is an arithmetic number, because the mean of its divisors is an integer number (115386120).

Almost surely, 2^2086666802 is an apocalyptic number.

2086666802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2086666802 is a deficient number, since it is larger than the sum of its proper divisors (1605689038).

2086666802 is a wasteful number, since it uses less digits than its factorization.

2086666802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118786.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 2086666802 is about 45680.0481829868. The cubic root of 2086666802 is about 1277.8632159234.

The spelling of 2086666802 in words is "two billion, eighty-six million, six hundred sixty-six thousand, eight hundred two".