2216565115989 has 64 divisors (see below), whose sum is σ = 3585540986880. Its totient is φ = 1191626277120.

The previous prime is 2216565115957. The next prime is 2216565115991. The reversal of 2216565115989 is 9895115656122.

It is not a de Polignac number, because 2216565115989 - 2⁵ = 2216565115957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216565115939) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2400102 + ... + 3192744.

It is an arithmetic number, because the mean of its divisors is an integer number (56024077920).

Almost surely, 2^{2216565115989} is an apocalyptic number.

It is an amenable number.

2216565115989 is a deficient number, since it is larger than the sum of its proper divisors (1368975870891).

2216565115989 is a wasteful number, since it uses less digits than its factorization.

2216565115989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792810.

The product of its digits is 11664000, while the sum is 60.

The spelling of 2216565115989 in words is "two trillion, two hundred sixteen billion, five hundred sixty-five million, one hundred fifteen thousand, nine hundred eighty-nine".