6647601622 has 16 divisors (see below), whose sum is σ = 10314243072. Its totient is φ = 3209961960.

The previous prime is 6647601619. The next prime is 6647601643. The reversal of 6647601622 is 2261067466.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 79888 + ... + 140275.

It is an arithmetic number, because the mean of its divisors is an integer number (644640192).

Almost surely, 2^6647601622 is an apocalyptic number.

6647601622 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6647601622 is a deficient number, since it is larger than the sum of its proper divisors (3666641450).

6647601622 is a wasteful number, since it uses less digits than its factorization.

6647601622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220683.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 6647601622 is about 81532.8254263275. The cubic root of 6647601622 is about 1880.2762554277.

The spelling of 6647601622 in words is "six billion, six hundred forty-seven million, six hundred one thousand, six hundred twenty-two".