1606217734373 has 4 divisors (see below), whose sum is σ = 1835677410720. Its totient is φ = 1376758058028.

The previous prime is 1606217734369. The next prime is 1606217734427. The reversal of 1606217734373 is 3734377126061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1606217734373 - 2² = 1606217734369 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606217734073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114729838163 + ... + 114729838176.

It is an arithmetic number, because the mean of its divisors is an integer number (458919352680).

Almost surely, 2^{1606217734373} is an apocalyptic number.

It is an amenable number.

1606217734373 is a deficient number, since it is larger than the sum of its proper divisors (229459676347).

1606217734373 is an equidigital number, since it uses as much as digits as its factorization.

1606217734373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229459676346.

The product of its (nonzero) digits is 2667168, while the sum is 50.

The spelling of 1606217734373 in words is "one trillion, six hundred six billion, two hundred seventeen million, seven hundred thirty-four thousand, three hundred seventy-three".