1606372622969 has 2 divisors, whose sum is σ = 1606372622970. Its totient is φ = 1606372622968.

The previous prime is 1606372622963. The next prime is 1606372623007. The reversal of 1606372622969 is 9692262736061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 927297739369 + 679074883600 = 962963^2 + 824060^2 .

It is a cyclic number.

It is not a de Polignac number, because 1606372622969 - 2²⁰ = 1606371574393 is a prime.

It is a super-2 number, since 2×1606372622969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1606372622963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803186311484 + 803186311485.

It is an arithmetic number, because the mean of its divisors is an integer number (803186311485).

Almost surely, 2^{1606372622969} is an apocalyptic number.

It is an amenable number.

1606372622969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606372622969 is an equidigital number, since it uses as much as digits as its factorization.

1606372622969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17635968, while the sum is 59.

The spelling of 1606372622969 in words is "one trillion, six hundred six billion, three hundred seventy-two million, six hundred twenty-two thousand, nine hundred sixty-nine".