6646229193 has 8 divisors (see below), whose sum is σ = 9167212800. Its totient is φ = 4278032528.

The previous prime is 6646229189. The next prime is 6646229209. The reversal of 6646229193 is 3919226466.

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 6646229193 - 2² = 6646229189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6646229153) 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, 38196633 + ... + 38196806.

It is an arithmetic number, because the mean of its divisors is an integer number (1145901600).

Almost surely, 2^6646229193 is an apocalyptic number.

It is an amenable number.

6646229193 is a deficient number, since it is larger than the sum of its proper divisors (2520983607).

6646229193 is a wasteful number, since it uses less digits than its factorization.

6646229193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76393471.

The product of its digits is 839808, while the sum is 48.

The square root of 6646229193 is about 81524.4085719118. The cubic root of 6646229193 is about 1880.1468491938.

The spelling of 6646229193 in words is "six billion, six hundred forty-six million, two hundred twenty-nine thousand, one hundred ninety-three".