2665132516 has 6 divisors (see below), whose sum is σ = 4663981910. Its totient is φ = 1332566256.

The previous prime is 2665132511. The next prime is 2665132531. The reversal of 2665132516 is 6152315662.

It can be written as a sum of positive squares in only one way, i.e., 2444906916 + 220225600 = 49446^2 + 14840^2 .

It is not an unprimeable number, because it can be changed into a prime (2665132511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333141561 + ... + 333141568.

Almost surely, 2^2665132516 is an apocalyptic number.

It is an amenable number.

2665132516 is a deficient number, since it is larger than the sum of its proper divisors (1998849394).

2665132516 is a wasteful number, since it uses less digits than its factorization.

2665132516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666283133 (or 666283131 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 2665132516 is about 51624.9214624100. The cubic root of 2665132516 is about 1386.4565675225.

The spelling of 2665132516 in words is "two billion, six hundred sixty-five million, one hundred thirty-two thousand, five hundred sixteen".