2160841061 has 4 divisors (see below), whose sum is σ = 2175343500. Its totient is φ = 2146338624.

The previous prime is 2160841043. The next prime is 2160841073. The reversal of 2160841061 is 1601480612.

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 90136036 + 2070705025 = 9494^2 + 45505^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160841061 - 2²⁶ = 2093732197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160841021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7250996 + ... + 7251293.

It is an arithmetic number, because the mean of its divisors is an integer number (543835875).

Almost surely, 2^2160841061 is an apocalyptic number.

It is an amenable number.

2160841061 is a deficient number, since it is larger than the sum of its proper divisors (14502439).

2160841061 is a wasteful number, since it uses less digits than its factorization.

2160841061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14502438.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 2160841061 is about 46484.8476495298. The cubic root of 2160841061 is about 1292.8285710431.

The spelling of 2160841061 in words is "two billion, one hundred sixty million, eight hundred forty-one thousand, sixty-one".