406503462534161 has 4 divisors (see below), whose sum is σ = 410694219879972. Its totient is φ = 402312705188352.

The previous prime is 406503462534083. The next prime is 406503462534199. The reversal of 406503462534161 is 161435264305604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 234989891184400 + 171513571349761 = 15329380^2 + 13096319^2 .

It is a cyclic number.

It is not a de Polignac number, because 406503462534161 - 2²² = 406503458339857 is a prime.

It is a super-3 number, since 3×406503462534161³ (a number of 45 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406503462534061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2095378672760 + ... + 2095378672953.

It is an arithmetic number, because the mean of its divisors is an integer number (102673554969993).

Almost surely, 2^{406503462534161} is an apocalyptic number.

It is an amenable number.

406503462534161 is a deficient number, since it is larger than the sum of its proper divisors (4190757345811).

406503462534161 is an equidigital number, since it uses as much as digits as its factorization.

406503462534161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190757345810.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 406503462534161 in words is "four hundred six trillion, five hundred three billion, four hundred sixty-two million, five hundred thirty-four thousand, one hundred sixty-one".