6551655065 has 16 divisors (see below), whose sum is σ = 8079716736. Its totient is φ = 5096995200.

The previous prime is 6551655029. The next prime is 6551655091. The reversal of 6551655065 is 5605561556.

It is not a de Polignac number, because 6551655065 - 2¹⁶ = 6551589529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12374 + ... + 115136.

It is an arithmetic number, because the mean of its divisors is an integer number (504982296).

Almost surely, 2^6551655065 is an apocalyptic number.

It is an amenable number.

6551655065 is a deficient number, since it is larger than the sum of its proper divisors (1528061671).

6551655065 is a wasteful number, since it uses less digits than its factorization.

6551655065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103120.

The product of its (nonzero) digits is 675000, while the sum is 44.

The square root of 6551655065 is about 80942.2946610732. The cubic root of 6551655065 is about 1871.1862096464.

The spelling of 6551655065 in words is "six billion, five hundred fifty-one million, six hundred fifty-five thousand, sixty-five".