6659264638708 has 36 divisors (see below), whose sum is σ = 12809703997636. Its totient is φ = 3026879222400.

The previous prime is 6659264638699. The next prime is 6659264638717. The reversal of 6659264638708 is 8078364629566.

It is an interprime number because it is at equal distance from previous prime (6659264638699) and next prime (6659264638717).

It can be written as a sum of positive squares in 2 ways, for example, as 5687900644624 + 971363994084 = 2384932^2 + 985578^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33063766 + ... + 33264562.

Almost surely, 2^{6659264638708} is an apocalyptic number.

It is an amenable number.

6659264638708 is a deficient number, since it is larger than the sum of its proper divisors (6150439358928).

6659264638708 is a wasteful number, since it uses less digits than its factorization.

6659264638708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269344 (or 269331 counting only the distinct ones).

The product of its (nonzero) digits is 627056640, while the sum is 70.

The spelling of 6659264638708 in words is "six trillion, six hundred fifty-nine billion, two hundred sixty-four million, six hundred thirty-eight thousand, seven hundred eight".