221041005416 has 64 divisors (see below), whose sum is σ = 517780961280. Its totient is φ = 85942918080.

The previous prime is 221041005359. The next prime is 221041005461. The reversal of 221041005416 is 614500140122.

It is a super-2 number, since 2×221041005416² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68420 + ... + 668403.

It is an arithmetic number, because the mean of its divisors is an integer number (8090327520).

Almost surely, 2^221041005416 is an apocalyptic number.

It is an amenable number.

221041005416 is an abundant number, since it is smaller than the sum of its proper divisors (296739955864).

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

221041005416 is a wasteful number, since it uses less digits than its factorization.

221041005416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737334 (or 737330 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 221041005416 its reverse (614500140122), we get a palindrome (835541145538).

The spelling of 221041005416 in words is "two hundred twenty-one billion, forty-one million, five thousand, four hundred sixteen".