6621717112 has 16 divisors (see below), whose sum is σ = 12955533840. Its totient is φ = 3166908096.

The previous prime is 6621717061. The next prime is 6621717139. The reversal of 6621717112 is 2117171266.

It is a super-2 number, since 2×6621717112² = 87694275022707241088, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 17993613 + ... + 17993980.

It is an arithmetic number, because the mean of its divisors is an integer number (809720865).

Almost surely, 2^6621717112 is an apocalyptic number.

It is an amenable number.

6621717112 is a deficient number, since it is larger than the sum of its proper divisors (6333816728).

6621717112 is a wasteful number, since it uses less digits than its factorization.

6621717112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35987622 (or 35987618 counting only the distinct ones).

The product of its digits is 7056, while the sum is 34.

The square root of 6621717112 is about 81373.9338609115. The cubic root of 6621717112 is about 1877.8326003090.

Adding to 6621717112 its reverse (2117171266), we get a palindrome (8738888378).

The spelling of 6621717112 in words is "six billion, six hundred twenty-one million, seven hundred seventeen thousand, one hundred twelve".