6605322861 has 32 divisors (see below), whose sum is σ = 9172500480. Its totient is φ = 4223563200.

The previous prime is 6605322859. The next prime is 6605322881. The reversal of 6605322861 is 1682235066.

It is not a de Polignac number, because 6605322861 - 2¹ = 6605322859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605322881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9186460 + ... + 9187178.

It is an arithmetic number, because the mean of its divisors is an integer number (286640640).

Almost surely, 2^6605322861 is an apocalyptic number.

It is an amenable number.

6605322861 is a deficient number, since it is larger than the sum of its proper divisors (2567177619).

6605322861 is a wasteful number, since it uses less digits than its factorization.

6605322861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 6605322861 is about 81273.1373886846. The cubic root of 6605322861 is about 1876.2815876758.

The spelling of 6605322861 in words is "six billion, six hundred five million, three hundred twenty-two thousand, eight hundred sixty-one".