6641910105 has 8 divisors (see below), whose sum is σ = 10627056192. Its totient is φ = 3542352048.

The previous prime is 6641910103. The next prime is 6641910131. The reversal of 6641910105 is 5010191466.

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

It is not a de Polignac number, because 6641910105 - 2¹ = 6641910103 is a prime.

It is a super-2 number, since 2×6641910105² = 88229939685802222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6641910103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221396989 + ... + 221397018.

It is an arithmetic number, because the mean of its divisors is an integer number (1328382024).

Almost surely, 2^6641910105 is an apocalyptic number.

It is an amenable number.

6641910105 is a deficient number, since it is larger than the sum of its proper divisors (3985146087).

6641910105 is a wasteful number, since it uses less digits than its factorization.

6641910105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442794015.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 6641910105 is about 81497.9147279242. The cubic root of 6641910105 is about 1879.7394864047.

The spelling of 6641910105 in words is "six billion, six hundred forty-one million, nine hundred ten thousand, one hundred five".