6606159360025 has 9 divisors (see below), whose sum is σ = 8191653541981. Its totient is φ = 5284917207040.

The previous prime is 6606159359999. The next prime is 6606159360049. The reversal of 6606159360025 is 5200639516066.

The square root of 6606159360025 is 2570245.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 98946106249 + 6507213253776 = 314557^2 + 2550924^2 .

It is not a de Polignac number, because 6606159360025 - 2³⁷ = 6468720406553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12594201 + ... + 13108249.

Almost surely, 2^{6606159360025} is an apocalyptic number.

6606159360025 is the 2570245-th square number.

6606159360025 is the 1285123-rd centered octagonal number.

It is an amenable number.

6606159360025 is a deficient number, since it is larger than the sum of its proper divisors (1585494181956).

6606159360025 is an frugal number, since it uses more digits than its factorization.

6606159360025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028108 (or 514054 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 49.

Multiplying 6606159360025 by its sum of digits (49), we get a square (323701808641225 = 17991715²).

The spelling of 6606159360025 in words is "six trillion, six hundred six billion, one hundred fifty-nine million, three hundred sixty thousand, twenty-five".