406166313016256 has 28 divisors (see below), whose sum is σ = 867985221808152. Its totient is φ = 187461375237888.

The previous prime is 406166313016241. The next prime is 406166313016291. The reversal of 406166313016256 is 652610313661604.

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, 244090331510 + ... + 244090333173.

It is an arithmetic number, because the mean of its divisors is an integer number (30999472207434).

Almost surely, 2^{406166313016256} is an apocalyptic number.

It is an amenable number.

406166313016256 is an abundant number, since it is smaller than the sum of its proper divisors (461818908791896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406166313016256 is a wasteful number, since it uses less digits than its factorization.

406166313016256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488180664708 (or 488180664698 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 50.

The spelling of 406166313016256 in words is "four hundred six trillion, one hundred sixty-six billion, three hundred thirteen million, sixteen thousand, two hundred fifty-six".