2050567216661 has 16 divisors (see below), whose sum is σ = 2077572930048. Its totient is φ = 2023688102400.

The previous prime is 2050567216619. The next prime is 2050567216667. The reversal of 2050567216661 is 1666127650502.

It is a cyclic number.

It is not a de Polignac number, because 2050567216661 - 2²⁶ = 2050500107797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050567216667) 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, 60044651 + ... + 60078791.

It is an arithmetic number, because the mean of its divisors is an integer number (129848308128).

Almost surely, 2^{2050567216661} is an apocalyptic number.

It is an amenable number.

2050567216661 is a deficient number, since it is larger than the sum of its proper divisors (27005713387).

2050567216661 is a wasteful number, since it uses less digits than its factorization.

2050567216661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35972.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 2050567216661 in words is "two trillion, fifty billion, five hundred sixty-seven million, two hundred sixteen thousand, six hundred sixty-one".