6644367082 has 32 divisors (see below), whose sum is σ = 10363852800. Its totient is φ = 3191430000.

The previous prime is 6644367047. The next prime is 6644367083. The reversal of 6644367082 is 2807634466.

It is a super-2 number, since 2×6644367082² = 88295227840730389448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6644367083) by changing a digit.

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, 6519969 + ... + 6520987.

It is an arithmetic number, because the mean of its divisors is an integer number (323870400).

Almost surely, 2^6644367082 is an apocalyptic number.

6644367082 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6644367082 is a deficient number, since it is larger than the sum of its proper divisors (3719485718).

6644367082 is a wasteful number, since it uses less digits than its factorization.

6644367082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The square root of 6644367082 is about 81512.9871983600. The cubic root of 6644367082 is about 1879.9712423925.

The spelling of 6644367082 in words is "six billion, six hundred forty-four million, three hundred sixty-seven thousand, eighty-two".