41622247661 has 4 divisors (see below), whose sum is σ = 41657793024. Its totient is φ = 41586702300.

The previous prime is 41622247637. The next prime is 41622247703. The reversal of 41622247661 is 16674222614.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41622247661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41622247861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17770925 + ... + 17773266.

It is an arithmetic number, because the mean of its divisors is an integer number (10414448256).

Almost surely, 2^41622247661 is an apocalyptic number.

It is an amenable number.

41622247661 is a deficient number, since it is larger than the sum of its proper divisors (35545363).

41622247661 is a wasteful number, since it uses less digits than its factorization.

41622247661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35545362.

The product of its digits is 193536, while the sum is 41.

The spelling of 41622247661 in words is "forty-one billion, six hundred twenty-two million, two hundred forty-seven thousand, six hundred sixty-one".