6612406646 has 8 divisors (see below), whose sum is σ = 9927654840. Its totient is φ = 3303188368.

The previous prime is 6612406637. The next prime is 6612406699. The reversal of 6612406646 is 6466042166.

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

It is a Curzon number.

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, 1504736 + ... + 1509123.

It is an arithmetic number, because the mean of its divisors is an integer number (1240956855).

Almost surely, 2^6612406646 is an apocalyptic number.

6612406646 is a deficient number, since it is larger than the sum of its proper divisors (3315248194).

6612406646 is a wasteful number, since it uses less digits than its factorization.

6612406646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014958.

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 6612406646 is about 81316.7058235883. The cubic root of 6612406646 is about 1876.9520785897.

The spelling of 6612406646 in words is "six billion, six hundred twelve million, four hundred six thousand, six hundred forty-six".