6661193 has 8 divisors (see below), whose sum is σ = 8304960. Its totient is φ = 5190480.

The previous prime is 6661189. The next prime is 6661211. The reversal of 6661193 is 3911666.

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

It is a cyclic number.

It is not a de Polignac number, because 6661193 - 2² = 6661189 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6661103) 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, 43178 + ... + 43331.

It is an arithmetic number, because the mean of its divisors is an integer number (1038120).

Almost surely, 2^6661193 is an apocalyptic number.

It is an amenable number.

6661193 is a deficient number, since it is larger than the sum of its proper divisors (1643767).

6661193 is a wasteful number, since it uses less digits than its factorization.

6661193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86527.

The product of its digits is 5832, while the sum is 32.

The square root of 6661193 is about 2580.9287088178. The cubic root of 6661193 is about 188.1556824971.

The spelling of 6661193 in words is "six million, six hundred sixty-one thousand, one hundred ninety-three".