221650516336116 has 96 divisors (see below), whose sum is σ = 591200225280000. Its totient is φ = 63314558673408.

The previous prime is 221650516336091. The next prime is 221650516336141. The reversal of 221650516336116 is 611633615056122.

It is an interprime number because it is at equal distance from previous prime (221650516336091) and next prime (221650516336141).

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, 12233034505 + ... + 12233052623.

It is an arithmetic number, because the mean of its divisors is an integer number (6158335680000).

Almost surely, 2^{221650516336116} is an apocalyptic number.

It is an amenable number.

221650516336116 is an abundant number, since it is smaller than the sum of its proper divisors (369549708943884).

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

221650516336116 is a wasteful number, since it uses less digits than its factorization.

221650516336116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42661 (or 42659 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 48.

The spelling of 221650516336116 in words is "two hundred twenty-one trillion, six hundred fifty billion, five hundred sixteen million, three hundred thirty-six thousand, one hundred sixteen".