7216162316615 has 16 divisors (see below), whose sum is σ = 9947728135488. Its totient is φ = 4922587109376.

The previous prime is 7216162316611. The next prime is 7216162316621. The reversal of 7216162316615 is 5166132616127.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 7216162316615 - 2² = 7216162316611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7216162316615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216162316611) 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 15 ways as a sum of consecutive naturals, for example, 534128132 + ... + 534141641.

It is an arithmetic number, because the mean of its divisors is an integer number (621733008468).

Almost surely, 2^{7216162316615} is an apocalyptic number.

7216162316615 is a deficient number, since it is larger than the sum of its proper divisors (2731565818873).

7216162316615 is a wasteful number, since it uses less digits than its factorization.

7216162316615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068269978.

The product of its digits is 544320, while the sum is 47.

The spelling of 7216162316615 in words is "seven trillion, two hundred sixteen billion, one hundred sixty-two million, three hundred sixteen thousand, six hundred fifteen".