6555221035 has 16 divisors (see below), whose sum is σ = 8594772480. Its totient is φ = 4759993440.

The previous prime is 6555221009. The next prime is 6555221051. The reversal of 6555221035 is 5301225556.

It is not a de Polignac number, because 6555221035 - 2⁵ = 6555221003 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57315 + ... + 128044.

It is an arithmetic number, because the mean of its divisors is an integer number (537173280).

Almost surely, 2^6555221035 is an apocalyptic number.

6555221035 is a deficient number, since it is larger than the sum of its proper divisors (2039551445).

6555221035 is a wasteful number, since it uses less digits than its factorization.

6555221035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186018.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 6555221035 is about 80964.3195179210. The cubic root of 6555221035 is about 1871.5256344985.

The spelling of 6555221035 in words is "six billion, five hundred fifty-five million, two hundred twenty-one thousand, thirty-five".