6655655150565 has 16 divisors (see below), whose sum is σ = 10649176837056. Its totient is φ = 3549639881600.

The previous prime is 6655655150561. The next prime is 6655655150579. The reversal of 6655655150565 is 5650515565566.

It is a happy number.

It is not a de Polignac number, because 6655655150565 - 2² = 6655655150561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6655655150499 and 6655655150508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655655150561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1375056 + ... + 3898985.

It is an arithmetic number, because the mean of its divisors is an integer number (665573552316).

Almost surely, 2^{6655655150565} is an apocalyptic number.

It is an amenable number.

6655655150565 is a deficient number, since it is larger than the sum of its proper divisors (3993521686491).

6655655150565 is a wasteful number, since it uses less digits than its factorization.

6655655150565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358180.

The product of its (nonzero) digits is 101250000, while the sum is 60.

The spelling of 6655655150565 in words is "six trillion, six hundred fifty-five billion, six hundred fifty-five million, one hundred fifty thousand, five hundred sixty-five".