2153206318 has 8 divisors (see below), whose sum is σ = 3370236048. Its totient is φ = 1029794304.

The previous prime is 2153206309. The next prime is 2153206343. The reversal of 2153206318 is 8136023512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2153206318.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23404371 + ... + 23404462.

It is an arithmetic number, because the mean of its divisors is an integer number (421279506).

Almost surely, 2^2153206318 is an apocalyptic number.

2153206318 is a deficient number, since it is larger than the sum of its proper divisors (1217029730).

2153206318 is a wasteful number, since it uses less digits than its factorization.

2153206318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46808858.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2153206318 is about 46402.6542128788. The cubic root of 2153206318 is about 1291.3041551201.

The spelling of 2153206318 in words is "two billion, one hundred fifty-three million, two hundred six thousand, three hundred eighteen".