6498355655 has 32 divisors (see below), whose sum is σ = 9096660288. Its totient is φ = 4403968000.

The previous prime is 6498355649. The next prime is 6498355679. The reversal of 6498355655 is 5565538946.

It is not a de Polignac number, because 6498355655 - 2¹⁰ = 6498354631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6498355655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60029 + ... + 128841.

It is an arithmetic number, because the mean of its divisors is an integer number (284270634).

Almost surely, 2^6498355655 is an apocalyptic number.

6498355655 is a deficient number, since it is larger than the sum of its proper divisors (2598304633).

6498355655 is a wasteful number, since it uses less digits than its factorization.

6498355655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68947.

The product of its digits is 19440000, while the sum is 56.

The square root of 6498355655 is about 80612.3790431718. The cubic root of 6498355655 is about 1866.0981924168.

The spelling of 6498355655 in words is "six billion, four hundred ninety-eight million, three hundred fifty-five thousand, six hundred fifty-five".