2660252965 has 8 divisors (see below), whose sum is σ = 3192583680. Its totient is φ = 2128015632.

The previous prime is 2660252963. The next prime is 2660252971. The reversal of 2660252965 is 5692520662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2660252965 - 2¹ = 2660252963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660252963) 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, 85332 + ... + 112258.

It is an arithmetic number, because the mean of its divisors is an integer number (399072960).

Almost surely, 2^2660252965 is an apocalyptic number.

It is an amenable number.

2660252965 is a deficient number, since it is larger than the sum of its proper divisors (532330715).

2660252965 is a wasteful number, since it uses less digits than its factorization.

2660252965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46691.

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 2660252965 is about 51577.6401650948. The cubic root of 2660252965 is about 1385.6099031116.

The spelling of 2660252965 in words is "two billion, six hundred sixty million, two hundred fifty-two thousand, nine hundred sixty-five".