1606217663363 has 8 divisors (see below), whose sum is σ = 1721351950368. Its totient is φ = 1494858271104.

The previous prime is 1606217663357. The next prime is 1606217663389. The reversal of 1606217663363 is 3633667126061.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1606217663363 - 2⁴⁰ = 506706035587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606217663353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 943722806 + ... + 943724507.

It is an arithmetic number, because the mean of its divisors is an integer number (215168993796).

Almost surely, 2^{1606217663363} is an apocalyptic number.

1606217663363 is a deficient number, since it is larger than the sum of its proper divisors (115134287005).

1606217663363 is a wasteful number, since it uses less digits than its factorization.

1606217663363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887447373.

The product of its (nonzero) digits is 2939328, while the sum is 50.

The spelling of 1606217663363 in words is "one trillion, six hundred six billion, two hundred seventeen million, six hundred sixty-three thousand, three hundred sixty-three".