3612216144 has 20 divisors (see below), whose sum is σ = 9331558496. Its totient is φ = 1204072032.

The previous prime is 3612216137. The next prime is 3612216163. The reversal of 3612216144 is 4416122163.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37627204 + ... + 37627299.

Almost surely, 2^3612216144 is an apocalyptic number.

It is an amenable number.

3612216144 is an abundant number, since it is smaller than the sum of its proper divisors (5719342352).

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

3612216144 is a wasteful number, since it uses less digits than its factorization.

3612216144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75254514 (or 75254508 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 3612216144 is about 60101.7149838505. The cubic root of 3612216144 is about 1534.3504902397.

The spelling of 3612216144 in words is "three billion, six hundred twelve million, two hundred sixteen thousand, one hundred forty-four".