6632223665 has 8 divisors (see below), whose sum is σ = 7959363048. Its totient is φ = 5305315840.

The previous prime is 6632223649. The next prime is 6632223679. The reversal of 6632223665 is 5663222366.

It can be written as a sum of positive squares in 4 ways, for example, as 2074893601 + 4557330064 = 45551^2 + 67508^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6632223665 - 2⁴ = 6632223649 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13025 + ... + 115905.

It is an arithmetic number, because the mean of its divisors is an integer number (994920381).

Almost surely, 2^6632223665 is an apocalyptic number.

It is an amenable number.

6632223665 is a deficient number, since it is larger than the sum of its proper divisors (1327139383).

6632223665 is a wasteful number, since it uses less digits than its factorization.

6632223665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115779.

The product of its digits is 466560, while the sum is 41.

The square root of 6632223665 is about 81438.4655123118. The cubic root of 6632223665 is about 1878.8252492832.

The spelling of 6632223665 in words is "six billion, six hundred thirty-two million, two hundred twenty-three thousand, six hundred sixty-five".