2665105670 has 16 divisors (see below), whose sum is σ = 4797923328. Its totient is φ = 1065879360.

The previous prime is 2665105633. The next prime is 2665105673. The reversal of 2665105670 is 765015662.

It is a super-2 number, since 2×2665105670² = 14205576464532297800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665105673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65642 + ... + 98178.

It is an arithmetic number, because the mean of its divisors is an integer number (299870208).

Almost surely, 2^2665105670 is an apocalyptic number.

2665105670 is a deficient number, since it is larger than the sum of its proper divisors (2132817658).

2665105670 is a wasteful number, since it uses less digits than its factorization.

2665105670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40735.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2665105670 is about 51624.6614516744. The cubic root of 2665105670 is about 1386.4519122271.

The spelling of 2665105670 in words is "two billion, six hundred sixty-five million, one hundred five thousand, six hundred seventy".