1406505466466 has 8 divisors (see below), whose sum is σ = 2109784763100. Its totient is φ = 703243878768.

The previous prime is 1406505466433. The next prime is 1406505466469. The reversal of 1406505466466 is 6646645056041.

It can be written as a sum of positive squares in 2 ways, for example, as 1388086905241 + 18418561225 = 1178171^2 + 135715^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1406505466469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4226861 + ... + 4547456.

Almost surely, 2^{1406505466466} is an apocalyptic number.

1406505466466 is a deficient number, since it is larger than the sum of its proper divisors (703279296634).

1406505466466 is an equidigital number, since it uses as much as digits as its factorization.

1406505466466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8854468.

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 1406505466466 in words is "one trillion, four hundred six billion, five hundred five million, four hundred sixty-six thousand, four hundred sixty-six".