1608196945017 has 128 divisors (see below), whose sum is σ = 2440175288320. Its totient is φ = 935411742720.

The previous prime is 1608196944919. The next prime is 1608196945021. The reversal of 1608196945017 is 7105496918061.

It is a happy number.

It is not a de Polignac number, because 1608196945017 - 2¹⁴ = 1608196928633 is a prime.

It is a super-2 number, since 2×1608196945017² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1608196945057) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5138009253 + ... + 5138009565.

It is an arithmetic number, because the mean of its divisors is an integer number (19063869440).

Almost surely, 2^{1608196945017} is an apocalyptic number.

It is an amenable number.

1608196945017 is a deficient number, since it is larger than the sum of its proper divisors (831978343303).

1608196945017 is a wasteful number, since it uses less digits than its factorization.

1608196945017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 1608196945017 in words is "one trillion, six hundred eight billion, one hundred ninety-six million, nine hundred forty-five thousand, seventeen".