6405103215466 has 8 divisors (see below), whose sum is σ = 9607920799140. Its totient is φ = 3202462949088.

The previous prime is 6405103215457. The next prime is 6405103215503. The reversal of 6405103215466 is 6645123015046.

It can be written as a sum of positive squares in 2 ways, for example, as 5951135855025 + 453967360441 = 2439495^2 + 673771^2 .

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, 44238981 + ... + 44383528.

Almost surely, 2^{6405103215466} is an apocalyptic number.

6405103215466 is a deficient number, since it is larger than the sum of its proper divisors (3202817583674).

6405103215466 is a wasteful number, since it uses less digits than its factorization.

6405103215466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88658648.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 6405103215466 in words is "six trillion, four hundred five billion, one hundred three million, two hundred fifteen thousand, four hundred sixty-six".