2106106065 has 24 divisors (see below), whose sum is σ = 4172096448. Its totient is φ = 962791200.

The previous prime is 2106106061. The next prime is 2106106099. The reversal of 2106106065 is 5606016012.

It is a happy number.

It is not a de Polignac number, because 2106106065 - 2² = 2106106061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2106106061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3342711 + ... + 3343340.

It is an arithmetic number, because the mean of its divisors is an integer number (173837352).

Almost surely, 2^2106106065 is an apocalyptic number.

It is an amenable number.

2106106065 is a deficient number, since it is larger than the sum of its proper divisors (2065990383).

2106106065 is a wasteful number, since it uses less digits than its factorization.

2106106065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686069 (or 6686066 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2106106065 is about 45892.3312221116. The cubic root of 2106106065 is about 1281.8191226450.

The spelling of 2106106065 in words is "two billion, one hundred six million, one hundred six thousand, sixty-five".