2000686618 has 32 divisors (see below), whose sum is σ = 3588940800. Its totient is φ = 818398080.

The previous prime is 2000686603. The next prime is 2000686619. The reversal of 2000686618 is 8166860002.

It is not an unprimeable number, because it can be changed into a prime (2000686619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108 + ... + 63256.

It is an arithmetic number, because the mean of its divisors is an integer number (112154400).

Almost surely, 2^2000686618 is an apocalyptic number.

2000686618 is a deficient number, since it is larger than the sum of its proper divisors (1588254182).

2000686618 is a wasteful number, since it uses less digits than its factorization.

2000686618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63262.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2000686618 is about 44729.0355138583. The cubic root of 2000686618 is about 1260.0652141437.

The spelling of 2000686618 in words is "two billion, six hundred eighty-six thousand, six hundred eighteen".