1606372623017 has 2 divisors, whose sum is σ = 1606372623018. Its totient is φ = 1606372623016.

The previous prime is 1606372623007. The next prime is 1606372623061. The reversal of 1606372623017 is 7103262736061.

It is an a-pointer prime, because the next prime (1606372623061) can be obtained adding 1606372623017 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1470292053136 + 136080569881 = 1212556^2 + 368891^2 .

It is an emirp because it is prime and its reverse (7103262736061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1606372623017 - 2²² = 1606368428713 is a prime.

It is not a weakly prime, because it can be changed into another prime (1606372623007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803186311508 + 803186311509.

It is an arithmetic number, because the mean of its divisors is an integer number (803186311509).

Almost surely, 2^{1606372623017} is an apocalyptic number.

It is an amenable number.

1606372623017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1606372623017 is an equidigital number, since it uses as much as digits as its factorization.

1606372623017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 1606372623017 in words is "one trillion, six hundred six billion, three hundred seventy-two million, six hundred twenty-three thousand, seventeen".