6660064430 has 8 divisors (see below), whose sum is σ = 11988115992. Its totient is φ = 2664025768.

The previous prime is 6660064423. The next prime is 6660064493. The reversal of 6660064430 is 344600666.

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

It is a congruent number.

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, 333003212 + ... + 333003231.

It is an arithmetic number, because the mean of its divisors is an integer number (1498514499).

Almost surely, 2^6660064430 is an apocalyptic number.

6660064430 is a deficient number, since it is larger than the sum of its proper divisors (5328051562).

6660064430 is a wasteful number, since it uses less digits than its factorization.

6660064430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666006450.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 6660064430 is about 81609.2178004421. The cubic root of 6660064430 is about 1881.4505582951.

The spelling of 6660064430 in words is "six billion, six hundred sixty million, sixty-four thousand, four hundred thirty".