6436666346 has 16 divisors (see below), whose sum is σ = 10534252608. Its totient is φ = 2925333600.

The previous prime is 6436666333. The next prime is 6436666363.

6436666346 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6436666294 and 6436666303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174131 + ... + 207833.

It is an arithmetic number, because the mean of its divisors is an integer number (658390788).

Almost surely, 2^6436666346 is an apocalyptic number.

6436666346 is a deficient number, since it is larger than the sum of its proper divisors (4097586262).

6436666346 is a wasteful number, since it uses less digits than its factorization.

6436666346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42397.

The product of its digits is 6718464, while the sum is 50.

The square root of 6436666346 is about 80228.8373716085. The cubic root of 6436666346 is about 1860.1744109392.

The spelling of 6436666346 in words is "six billion, four hundred thirty-six million, six hundred sixty-six thousand, three hundred forty-six".