2186221609596 has 96 divisors (see below), whose sum is σ = 5219263703808. Its totient is φ = 711991987200.

The previous prime is 2186221609589. The next prime is 2186221609631. The reversal of 2186221609596 is 6959061226812.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234492991 + ... + 234502313.

It is an arithmetic number, because the mean of its divisors is an integer number (54367330248).

Almost surely, 2^{2186221609596} is an apocalyptic number.

It is an amenable number.

2186221609596 is an abundant number, since it is smaller than the sum of its proper divisors (3033042094212).

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

2186221609596 is a wasteful number, since it uses less digits than its factorization.

2186221609596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10891 (or 10889 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 2186221609596 in words is "two trillion, one hundred eighty-six billion, two hundred twenty-one million, six hundred nine thousand, five hundred ninety-six".