406163121361604 has 12 divisors (see below), whose sum is σ = 710788317162924. Its totient is φ = 203080745029344.

The previous prime is 406163121361603. The next prime is 406163121361619.

406163121361604 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 209589261931204 + 196573859430400 = 14477198^2 + 14020480^2 .

It is not an unprimeable number, because it can be changed into a prime (406163121361603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202791767 + ... + 204784830.

It is an arithmetic number, because the mean of its divisors is an integer number (59232359763577).

Almost surely, 2^{406163121361604} is an apocalyptic number.

It is an amenable number.

406163121361604 is a deficient number, since it is larger than the sum of its proper divisors (304625195801320).

406163121361604 is a wasteful number, since it uses less digits than its factorization.

406163121361604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407825734 (or 407825732 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 406163121361604 in words is "four hundred six trillion, one hundred sixty-three billion, one hundred twenty-one million, three hundred sixty-one thousand, six hundred four".