156828666215 has 8 divisors (see below), whose sum is σ = 202670891808. Its totient is φ = 115811938080.

The previous prime is 156828666193. The next prime is 156828666217. The reversal of 156828666215 is 512666828651.

156828666215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 156828666215 - 2³⁴ = 139648797031 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 (156828666217) 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, 1206374291 + ... + 1206374420.

It is an arithmetic number, because the mean of its divisors is an integer number (25333861476).

Almost surely, 2^156828666215 is an apocalyptic number.

156828666215 is a deficient number, since it is larger than the sum of its proper divisors (45842225593).

156828666215 is a wasteful number, since it uses less digits than its factorization.

156828666215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2412748729.

The product of its digits is 8294400, while the sum is 56.

The spelling of 156828666215 in words is "one hundred fifty-six billion, eight hundred twenty-eight million, six hundred sixty-six thousand, two hundred fifteen".