406564346265346 has 32 divisors (see below), whose sum is σ = 613009004287680. Its totient is φ = 202229602269696.

The previous prime is 406564346265323. The next prime is 406564346265361. The reversal of 406564346265346 is 643562643465604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5770190665 + ... + 5770261123.

It is an arithmetic number, because the mean of its divisors is an integer number (19156531383990).

Almost surely, 2^{406564346265346} is an apocalyptic number.

406564346265346 is a deficient number, since it is larger than the sum of its proper divisors (206444658022334).

406564346265346 is a wasteful number, since it uses less digits than its factorization.

406564346265346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81538.

The product of its (nonzero) digits is 895795200, while the sum is 64.

The spelling of 406564346265346 in words is "four hundred six trillion, five hundred sixty-four billion, three hundred forty-six million, two hundred sixty-five thousand, three hundred forty-six".