2106705161 has 48 divisors (see below), whose sum is σ = 2651071680. Its totient is φ = 1649894400.

The previous prime is 2106705143. The next prime is 2106705169. The reversal of 2106705161 is 1615076012.

It is not a de Polignac number, because 2106705161 - 2²² = 2102510857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106705169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3414125 + ... + 3414741.

It is an arithmetic number, because the mean of its divisors is an integer number (55230660).

Almost surely, 2^2106705161 is an apocalyptic number.

It is an amenable number.

2106705161 is a deficient number, since it is larger than the sum of its proper divisors (544366519).

2106705161 is a wasteful number, since it uses less digits than its factorization.

2106705161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 2106705161 is about 45898.8579487551. The cubic root of 2106705161 is about 1281.9406518055.

The spelling of 2106705161 in words is "two billion, one hundred six million, seven hundred five thousand, one hundred sixty-one".