2055862161 has 16 divisors (see below), whose sum is σ = 3046752000. Its totient is φ = 1370111184.

The previous prime is 2055862147. The next prime is 2055862169. The reversal of 2055862161 is 1612685502.

2055862161 is a `hidden beast` number, since 20 + 5 + 5 + 8 + 621 + 6 + 1 = 666.

It is not a de Polignac number, because 2055862161 - 2¹⁸ = 2055600017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2055862169) 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, 80815 + ... + 103163.

It is an arithmetic number, because the mean of its divisors is an integer number (190422000).

Almost surely, 2^2055862161 is an apocalyptic number.

It is an amenable number.

2055862161 is a deficient number, since it is larger than the sum of its proper divisors (990889839).

2055862161 is a wasteful number, since it uses less digits than its factorization.

2055862161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25765 (or 25759 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 2055862161 is about 45341.6162151285. The cubic root of 2055862161 is about 1271.5438189296.

The spelling of 2055862161 in words is "two billion, fifty-five million, eight hundred sixty-two thousand, one hundred sixty-one".