2216660606415 has 48 divisors (see below), whose sum is σ = 4147514953920. Its totient is φ = 1091824419840.

The previous prime is 2216660606411. The next prime is 2216660606437. The reversal of 2216660606415 is 5146060666122.

It is not a de Polignac number, because 2216660606415 - 2² = 2216660606411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216660606411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36895866 + ... + 36955895.

It is an arithmetic number, because the mean of its divisors is an integer number (86406561540).

Almost surely, 2^{2216660606415} is an apocalyptic number.

2216660606415 is a deficient number, since it is larger than the sum of its proper divisors (1930854347505).

2216660606415 is a wasteful number, since it uses less digits than its factorization.

2216660606415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73851824 (or 73851821 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 2216660606415 in words is "two trillion, two hundred sixteen billion, six hundred sixty million, six hundred six thousand, four hundred fifteen".