6573424666 has 8 divisors (see below), whose sum is σ = 9999012384. Its totient is φ = 3240420540.

The previous prime is 6573424657. The next prime is 6573424681. The reversal of 6573424666 is 6664243756.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23145720 + ... + 23146003.

It is an arithmetic number, because the mean of its divisors is an integer number (1249876548).

Almost surely, 2^6573424666 is an apocalyptic number.

6573424666 is a deficient number, since it is larger than the sum of its proper divisors (3425587718).

6573424666 is a wasteful number, since it uses less digits than its factorization.

6573424666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46291796.

The product of its digits is 4354560, while the sum is 49.

The square root of 6573424666 is about 81076.6591936298. The cubic root of 6573424666 is about 1873.2564215400.

The spelling of 6573424666 in words is "six billion, five hundred seventy-three million, four hundred twenty-four thousand, six hundred sixty-six".