6406666046 has 8 divisors (see below), whose sum is σ = 10483635384. Its totient is φ = 2912120920.

The previous prime is 6406666009. The next prime is 6406666117.

6406666046 is nontrivially palindromic in base 10.

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

It is a junction number, because it is equal to n+sod(n) for n = 6406665988 and 6406666006.

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, 145606025 + ... + 145606068.

It is an arithmetic number, because the mean of its divisors is an integer number (1310454423).

Almost surely, 2^6406666046 is an apocalyptic number.

6406666046 is a deficient number, since it is larger than the sum of its proper divisors (4076969338).

6406666046 is a wasteful number, since it uses less digits than its factorization.

6406666046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291212106.

The product of its (nonzero) digits is 746496, while the sum is 44.

The square root of 6406666046 is about 80041.6519444720. The cubic root of 6406666046 is about 1857.2799148716.

The spelling of 6406666046 in words is "six billion, four hundred six million, six hundred sixty-six thousand, forty-six".