7236081216 has 336 divisors, whose sum is σ = 26477919104. Its totient is φ = 1908043776.

The previous prime is 7236081197. The next prime is 7236081217. The reversal of 7236081216 is 6121806327.

7236081216 is a `hidden beast` number, since 7 + 2 + 360 + 81 + 216 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7236081217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1412676 + ... + 1417788.

Almost surely, 2^7236081216 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 7236081216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13238959552).

7236081216 is an abundant number, since it is smaller than the sum of its proper divisors (19241837888).

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

7236081216 is a wasteful number, since it uses less digits than its factorization.

7236081216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160 (or 5138 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 7236081216 is about 85065.1586491203. The cubic root of 7236081216 is about 1934.1989545320.

The spelling of 7236081216 in words is "seven billion, two hundred thirty-six million, eighty-one thousand, two hundred sixteen".