2922627567661 has 4 divisors (see below), whose sum is σ = 2922657795772. Its totient is φ = 2922597339552.

The previous prime is 2922627567647. The next prime is 2922627567677. The reversal of 2922627567661 is 1667657262292.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 558472236100 + 2364155331561 = 747310^2 + 1537581^2 .

It is a cyclic number.

It is not a de Polignac number, because 2922627567661 - 2⁹ = 2922627567149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2922627567661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2922627565661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14968560 + ... + 15162553.

It is an arithmetic number, because the mean of its divisors is an integer number (730664448943).

Almost surely, 2^{2922627567661} is an apocalyptic number.

It is an amenable number.

2922627567661 is a deficient number, since it is larger than the sum of its proper divisors (30228111).

2922627567661 is an equidigital number, since it uses as much as digits as its factorization.

2922627567661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30228110.

The product of its digits is 45722880, while the sum is 61.

The spelling of 2922627567661 in words is "two trillion, nine hundred twenty-two billion, six hundred twenty-seven million, five hundred sixty-seven thousand, six hundred sixty-one".