2666907265 has 16 divisors (see below), whose sum is σ = 3557100096. Its totient is φ = 1902971200.

The previous prime is 2666907263. The next prime is 2666907307. The reversal of 2666907265 is 5627096662.

It is not a de Polignac number, because 2666907265 - 2¹ = 2666907263 is a prime.

It is a super-2 number, since 2×2666907265² = 14224788720219560450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666907263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454531 + ... + 460360.

It is an arithmetic number, because the mean of its divisors is an integer number (222318756).

Almost surely, 2^2666907265 is an apocalyptic number.

It is an amenable number.

2666907265 is a deficient number, since it is larger than the sum of its proper divisors (890192831).

2666907265 is a wasteful number, since it uses less digits than its factorization.

2666907265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914960.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The square root of 2666907265 is about 51642.1074802336. The cubic root of 2666907265 is about 1386.7642528388.

The spelling of 2666907265 in words is "two billion, six hundred sixty-six million, nine hundred seven thousand, two hundred sixty-five".