1406322666197 has 2 divisors, whose sum is σ = 1406322666198. Its totient is φ = 1406322666196.

The previous prime is 1406322666149. The next prime is 1406322666209. The reversal of 1406322666197 is 7916662236041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1365611936836 + 40710729361 = 1168594^2 + 201769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1406322666197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1406322666137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703161333098 + 703161333099.

It is an arithmetic number, because the mean of its divisors is an integer number (703161333099).

Almost surely, 2^{1406322666197} is an apocalyptic number.

It is an amenable number.

1406322666197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1406322666197 is an equidigital number, since it uses as much as digits as its factorization.

1406322666197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 1406322666197 in words is "one trillion, four hundred six billion, three hundred twenty-two million, six hundred sixty-six thousand, one hundred ninety-seven".