2660641652 has 12 divisors (see below), whose sum is σ = 4661378400. Its totient is φ = 1328819256.

The previous prime is 2660641637. The next prime is 2660641667. The reversal of 2660641652 is 2561460662.

It is an interprime number because it is at equal distance from previous prime (2660641637) and next prime (2660641667).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 371402 + ... + 378497.

It is an arithmetic number, because the mean of its divisors is an integer number (388448200).

Almost surely, 2^2660641652 is an apocalyptic number.

It is an amenable number.

2660641652 is a deficient number, since it is larger than the sum of its proper divisors (2000736748).

2660641652 is a wasteful number, since it uses less digits than its factorization.

2660641652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750790 (or 750788 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 2660641652 is about 51581.4080071492. The cubic root of 2660641652 is about 1385.6773832016.

The spelling of 2660641652 in words is "two billion, six hundred sixty million, six hundred forty-one thousand, six hundred fifty-two".