156843720213 has 16 divisors (see below), whose sum is σ = 224229300480. Its totient is φ = 97166025216.

The previous prime is 156843720191. The next prime is 156843720239. The reversal of 156843720213 is 312027348651.

It is not a de Polignac number, because 156843720213 - 2¹⁴ = 156843703829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156843721213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19460320 + ... + 19468377.

It is an arithmetic number, because the mean of its divisors is an integer number (14014331280).

Almost surely, 2^156843720213 is an apocalyptic number.

It is an amenable number.

156843720213 is a deficient number, since it is larger than the sum of its proper divisors (67385580267).

156843720213 is a wasteful number, since it uses less digits than its factorization.

156843720213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38928796.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 156843720213 in words is "one hundred fifty-six billion, eight hundred forty-three million, seven hundred twenty thousand, two hundred thirteen".