2090506850161 has 16 divisors (see below), whose sum is σ = 2198396347200. Its totient is φ = 1985014785600.

The previous prime is 2090506850149. The next prime is 2090506850177. The reversal of 2090506850161 is 1610586050902.

It is a cyclic number.

It is not a de Polignac number, because 2090506850161 - 2⁵ = 2090506850129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2090506850101) 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, 11391550 + ... + 11573608.

It is an arithmetic number, because the mean of its divisors is an integer number (137399771700).

Almost surely, 2^{2090506850161} is an apocalyptic number.

It is an amenable number.

2090506850161 is a deficient number, since it is larger than the sum of its proper divisors (107889497039).

2090506850161 is a wasteful number, since it uses less digits than its factorization.

2090506850161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188640.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 2090506850161 in words is "two trillion, ninety billion, five hundred six million, eight hundred fifty thousand, one hundred sixty-one".