2665106163 has 24 divisors (see below), whose sum is σ = 4026177792. Its totient is φ = 1695593328.

The previous prime is 2665106131. The next prime is 2665106173. The reversal of 2665106163 is 3616015662.

2665106163 is a `hidden beast` number, since 26 + 6 + 5 + 10 + 616 + 3 = 666.

It is not a de Polignac number, because 2665106163 - 2⁵ = 2665106131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2665106123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77170 + ... + 106232.

It is an arithmetic number, because the mean of its divisors is an integer number (167757408).

Almost surely, 2^2665106163 is an apocalyptic number.

2665106163 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2665106163 is a deficient number, since it is larger than the sum of its proper divisors (1361071629).

2665106163 is a wasteful number, since it uses less digits than its factorization.

2665106163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29535 (or 29532 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 2665106163 is about 51624.6662265239. Note that the first 3 decimals coincide. The cubic root of 2665106163 is about 1386.4519977172.

The spelling of 2665106163 in words is "two billion, six hundred sixty-five million, one hundred six thousand, one hundred sixty-three".