2666652905 has 16 divisors (see below), whose sum is σ = 3660754944. Its totient is φ = 1826746560.

The previous prime is 2666652893. The next prime is 2666652917. The reversal of 2666652905 is 5092566662.

It is an interprime number because it is at equal distance from previous prime (2666652893) and next prime (2666652917).

It is not a de Polignac number, because 2666652905 - 2⁴ = 2666652889 is a prime.

It is a super-2 number, since 2×2666652905² = 14222075431489878050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2666652905.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1577 + ... + 73046.

It is an arithmetic number, because the mean of its divisors is an integer number (228797184).

Almost surely, 2^2666652905 is an apocalyptic number.

It is an amenable number.

2666652905 is a deficient number, since it is larger than the sum of its proper divisors (994102039).

2666652905 is a wasteful number, since it uses less digits than its factorization.

2666652905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75656.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The square root of 2666652905 is about 51639.6447024958. The cubic root of 2666652905 is about 1386.7201632455.

The spelling of 2666652905 in words is "two billion, six hundred sixty-six million, six hundred fifty-two thousand, nine hundred five".