2216347478016 has 1152 divisors, whose sum is σ = 7744149504000. Its totient is φ = 559241625600.

The previous prime is 2216347477999. The next prime is 2216347478017. The reversal of 2216347478016 is 6108747436122.

It is a super-2 number, since 2×2216347478016² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2216347478016.

It is not an unprimeable number, because it can be changed into a prime (2216347478017) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5142337321 + ... + 5142337751.

It is an arithmetic number, because the mean of its divisors is an integer number (6722352000).

Almost surely, 2^{2216347478016} 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 2216347478016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3872074752000).

2216347478016 is an abundant number, since it is smaller than the sum of its proper divisors (5527802025984).

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

2216347478016 is a wasteful number, since it uses less digits than its factorization.

2216347478016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549 (or 522 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 2216347478016 in words is "two trillion, two hundred sixteen billion, three hundred forty-seven million, four hundred seventy-eight thousand, sixteen".