2050555567161 has 8 divisors (see below), whose sum is σ = 2877972725920. Its totient is φ = 1295087726592.

The previous prime is 2050555567157. The next prime is 2050555567201. The reversal of 2050555567161 is 1617655550502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2050555567161 - 2² = 2050555567157 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 2050555567161.

It is not an unprimeable number, because it can be changed into a prime (2050555567141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17987329480 + ... + 17987329593.

It is an arithmetic number, because the mean of its divisors is an integer number (359746590740).

Almost surely, 2^{2050555567161} is an apocalyptic number.

It is an amenable number.

2050555567161 is a deficient number, since it is larger than the sum of its proper divisors (827417158759).

2050555567161 is a wasteful number, since it uses less digits than its factorization.

2050555567161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35974659095.

The product of its (nonzero) digits is 1575000, while the sum is 48.

The spelling of 2050555567161 in words is "two trillion, fifty billion, five hundred fifty-five million, five hundred sixty-seven thousand, one hundred sixty-one".