1608227194097 has 4 divisors (see below), whose sum is σ = 1626297162660. Its totient is φ = 1590157225536.

The previous prime is 1608227194037. The next prime is 1608227194139. The reversal of 1608227194097 is 7904917228061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81912729616 + 1526314464481 = 286204^2 + 1235441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1608227194097 - 2¹⁸ = 1608226931953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1608227194037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9034984148 + ... + 9034984325.

It is an arithmetic number, because the mean of its divisors is an integer number (406574290665).

Almost surely, 2^{1608227194097} is an apocalyptic number.

It is an amenable number.

1608227194097 is a deficient number, since it is larger than the sum of its proper divisors (18069968563).

1608227194097 is an equidigital number, since it uses as much as digits as its factorization.

1608227194097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18069968562.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 1608227194097 in words is "one trillion, six hundred eight billion, two hundred twenty-seven million, one hundred ninety-four thousand, ninety-seven".