2006718399 has 24 divisors (see below), whose sum is σ = 3345487392. Its totient is φ = 1135339200.

The previous prime is 2006718377. The next prime is 2006718463. The reversal of 2006718399 is 9938176002.

It is not a de Polignac number, because 2006718399 - 2⁷ = 2006718271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006718499) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151324 + ... + 164049.

It is an arithmetic number, because the mean of its divisors is an integer number (139395308).

Almost surely, 2^2006718399 is an apocalyptic number.

2006718399 is a deficient number, since it is larger than the sum of its proper divisors (1338768993).

2006718399 is a wasteful number, since it uses less digits than its factorization.

2006718399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315487 (or 315484 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 2006718399 is about 44796.4105593294. The cubic root of 2006718399 is about 1261.3302485313.

The spelling of 2006718399 in words is "two billion, six million, seven hundred eighteen thousand, three hundred ninety-nine".