6611444998 has 8 divisors (see below), whose sum is σ = 10259138880. Its totient is φ = 3191732040.

The previous prime is 6611444981. The next prime is 6611444999. The reversal of 6611444998 is 8994441166.

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

It is a super-2 number, since 2×6611444998² = 87422409923158440008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6611444999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56995158 + ... + 56995273.

It is an arithmetic number, because the mean of its divisors is an integer number (1282392360).

Almost surely, 2^6611444998 is an apocalyptic number.

6611444998 is a deficient number, since it is larger than the sum of its proper divisors (3647693882).

6611444998 is a wasteful number, since it uses less digits than its factorization.

6611444998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113990462.

The product of its digits is 1492992, while the sum is 52.

The square root of 6611444998 is about 81310.7926292691. The cubic root of 6611444998 is about 1876.8610852587.

The spelling of 6611444998 in words is "six billion, six hundred eleven million, four hundred forty-four thousand, nine hundred ninety-eight".