2216643046513 has 32 divisors (see below), whose sum is σ = 2705330073600. Its totient is φ = 1774842100416.

The previous prime is 2216643046441. The next prime is 2216643046523. The reversal of 2216643046513 is 3156403466122.

It is a happy number.

It is not a de Polignac number, because 2216643046513 - 2⁹ = 2216643046001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 2216643046513.

It is not an unprimeable number, because it can be changed into a prime (2216643046523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55634083 + ... + 55673911.

It is an arithmetic number, because the mean of its divisors is an integer number (84541564800).

Almost surely, 2^{2216643046513} is an apocalyptic number.

2216643046513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2216643046513 is a deficient number, since it is larger than the sum of its proper divisors (488687027087).

2216643046513 is a wasteful number, since it uses less digits than its factorization.

2216643046513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47941.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 2216643046513 in words is "two trillion, two hundred sixteen billion, six hundred forty-three million, forty-six thousand, five hundred thirteen".