1606730376239 has 4 divisors (see below), whose sum is σ = 1606872739824. Its totient is φ = 1606588012656.

The previous prime is 1606730376227. The next prime is 1606730376241. The reversal of 1606730376239 is 9326730376061.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1606730376239 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 (1606730376259) 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, 71164862 + ... + 71187435.

It is an arithmetic number, because the mean of its divisors is an integer number (401718184956).

Almost surely, 2^{1606730376239} is an apocalyptic number.

1606730376239 is a deficient number, since it is larger than the sum of its proper divisors (142363585).

1606730376239 is a wasteful number, since it uses less digits than its factorization.

1606730376239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142363584.

The product of its (nonzero) digits is 5143824, while the sum is 53.

The spelling of 1606730376239 in words is "one trillion, six hundred six billion, seven hundred thirty million, three hundred seventy-six thousand, two hundred thirty-nine".