1606372622929 has 2 divisors, whose sum is σ = 1606372622930. Its totient is φ = 1606372622928.

The previous prime is 1606372622903. The next prime is 1606372622963. The reversal of 1606372622929 is 9292262736061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1606366130625 + 6492304 = 1267425^2 + 2548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606372622929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1606372622929.

It is not a weakly prime, because it can be changed into another prime (1606372622969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803186311464 + 803186311465.

It is an arithmetic number, because the mean of its divisors is an integer number (803186311465).

Almost surely, 2^{1606372622929} is an apocalyptic number.

It is an amenable number.

1606372622929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606372622929 is an equidigital number, since it uses as much as digits as its factorization.

1606372622929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 1606372622929 in words is "one trillion, six hundred six billion, three hundred seventy-two million, six hundred twenty-two thousand, nine hundred twenty-nine".