6005108661 has 8 divisors (see below), whose sum is σ = 8157883680. Its totient is φ = 3927869712.

The previous prime is 6005108639. The next prime is 6005108671. The reversal of 6005108661 is 1668015006.

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

It is not a de Polignac number, because 6005108661 - 2¹⁰ = 6005107637 is a prime.

It is a super-2 number, since 2×6005108661² = 72122660060834425842, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6005108671) 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, 18883831 + ... + 18884148.

It is an arithmetic number, because the mean of its divisors is an integer number (1019735460).

Almost surely, 2^6005108661 is an apocalyptic number.

It is an amenable number.

6005108661 is a deficient number, since it is larger than the sum of its proper divisors (2152775019).

6005108661 is a wasteful number, since it uses less digits than its factorization.

6005108661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37768035.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 6005108661 is about 77492.6361727358. The cubic root of 6005108661 is about 1817.6361717035.

The spelling of 6005108661 in words is "six billion, five million, one hundred eight thousand, six hundred sixty-one".