406554663345 has 8 divisors (see below), whose sum is σ = 650487461376. Its totient is φ = 216829153776.

The previous prime is 406554663323. The next prime is 406554663379. The reversal of 406554663345 is 543366455604.

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

It is not a de Polignac number, because 406554663345 - 2⁵ = 406554663313 is a prime.

It is a Curzon number.

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, 13551822097 + ... + 13551822126.

It is an arithmetic number, because the mean of its divisors is an integer number (81310932672).

Almost surely, 2^406554663345 is an apocalyptic number.

It is an amenable number.

406554663345 is a deficient number, since it is larger than the sum of its proper divisors (243932798031).

406554663345 is a wasteful number, since it uses less digits than its factorization.

406554663345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27103644231.

The product of its (nonzero) digits is 15552000, while the sum is 51.

The spelling of 406554663345 in words is "four hundred six billion, five hundred fifty-four million, six hundred sixty-three thousand, three hundred forty-five".