2221016463652 has 24 divisors (see below), whose sum is σ = 4443354755840. Its totient is φ = 951580949760.

The previous prime is 2221016463647. The next prime is 2221016463691. The reversal of 2221016463652 is 2563646101222.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11706252 + ... + 11894467.

Almost surely, 2^{2221016463652} is an apocalyptic number.

It is an amenable number.

2221016463652 is an abundant number, since it is smaller than the sum of its proper divisors (2222338292188).

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

2221016463652 is a wasteful number, since it uses less digits than its factorization.

2221016463652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23604091 (or 23604089 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 2221016463652 in words is "two trillion, two hundred twenty-one billion, sixteen million, four hundred sixty-three thousand, six hundred fifty-two".