3216612318 has 16 divisors (see below), whose sum is σ = 6461320080. Its totient is φ = 1067521536.

The previous prime is 3216612317. The next prime is 3216612341. The reversal of 3216612318 is 8132166123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3216612317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1169155 + ... + 1171902.

It is an arithmetic number, because the mean of its divisors is an integer number (403832505).

Almost surely, 2^3216612318 is an apocalyptic number.

3216612318 is an abundant number, since it is smaller than the sum of its proper divisors (3244707762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3216612318 is a wasteful number, since it uses less digits than its factorization.

3216612318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2341291.

The product of its digits is 10368, while the sum is 33.

The square root of 3216612318 is about 56715.1859557914. The cubic root of 3216612318 is about 1476.1582120857.

The spelling of 3216612318 in words is "three billion, two hundred sixteen million, six hundred twelve thousand, three hundred eighteen".