6621422616105 has 16 divisors (see below), whose sum is σ = 11557392202944. Its totient is φ = 3210386722880.

The previous prime is 6621422616103. The next prime is 6621422616163. The reversal of 6621422616105 is 5016162241266.

It is not a de Polignac number, because 6621422616105 - 2¹ = 6621422616103 is a prime.

It is a super-2 number, since 2×6621422616105² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6621422616103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20064916854 + ... + 20064917183.

It is an arithmetic number, because the mean of its divisors is an integer number (722337012684).

Almost surely, 2^{6621422616105} is an apocalyptic number.

It is an amenable number.

6621422616105 is a deficient number, since it is larger than the sum of its proper divisors (4935969586839).

6621422616105 is a wasteful number, since it uses less digits than its factorization.

6621422616105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40129834056.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 6621422616105 in words is "six trillion, six hundred twenty-one billion, four hundred twenty-two million, six hundred sixteen thousand, one hundred five".