156606203117 has 24 divisors (see below), whose sum is σ = 203424592896. Its totient is φ = 117386695584.

The previous prime is 156606203111. The next prime is 156606203137. The reversal of 156606203117 is 711302606651.

156606203117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 156606203117 - 2⁴ = 156606203101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156606203111) 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 23 ways as a sum of consecutive naturals, for example, 2350733 + ... + 2416434.

It is an arithmetic number, because the mean of its divisors is an integer number (8476024704).

Almost surely, 2^156606203117 is an apocalyptic number.

It is an amenable number.

156606203117 is a deficient number, since it is larger than the sum of its proper divisors (46818389779).

156606203117 is a wasteful number, since it uses less digits than its factorization.

156606203117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767225 (or 4767206 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

Adding to 156606203117 its reverse (711302606651), we get a palindrome (867908809768).

The spelling of 156606203117 in words is "one hundred fifty-six billion, six hundred six million, two hundred three thousand, one hundred seventeen".