3612531216 has 160 divisors (see below), whose sum is σ = 10815307776. Its totient is φ = 1017792000.

The previous prime is 3612531173. The next prime is 3612531253. The reversal of 3612531216 is 6121352163.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11615701 + ... + 11616011.

Almost surely, 2^3612531216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3612531216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5407653888).

3612531216 is an abundant number, since it is smaller than the sum of its proper divisors (7202776560).

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

3612531216 is a wasteful number, since it uses less digits than its factorization.

3612531216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 695 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 3612531216 is about 60104.3360831812. The cubic root of 3612531216 is about 1534.3950996802.

Adding to 3612531216 its reverse (6121352163), we get a palindrome (9733883379).

The spelling of 3612531216 in words is "three billion, six hundred twelve million, five hundred thirty-one thousand, two hundred sixteen".