2665132956 has 60 divisors (see below), whose sum is σ = 6973215480. Its totient is φ = 887608800.

The previous prime is 2665132913. The next prime is 2665132957. The reversal of 2665132956 is 6592315662.

2665132956 is a `hidden beast` number, since 2 + 66 + 513 + 29 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665132957) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 467290 + ... + 472958.

It is an arithmetic number, because the mean of its divisors is an integer number (116220258).

Almost surely, 2^2665132956 is an apocalyptic number.

It is an amenable number.

2665132956 is an abundant number, since it is smaller than the sum of its proper divisors (4308082524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2665132956 is a wasteful number, since it uses less digits than its factorization.

2665132956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7136 (or 7125 counting only the distinct ones).

The product of its digits is 583200, while the sum is 45.

The square root of 2665132956 is about 51624.9257239175. The cubic root of 2665132956 is about 1386.4566438215.

The spelling of 2665132956 in words is "two billion, six hundred sixty-five million, one hundred thirty-two thousand, nine hundred fifty-six".