156828666128 has 40 divisors (see below), whose sum is σ = 305911560288. Its totient is φ = 77884353792.

The previous prime is 156828666121. The next prime is 156828666193. The reversal of 156828666128 is 821666828651.

It is not an unprimeable number, because it can be changed into a prime (156828666121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4329500 + ... + 4365572.

Almost surely, 2^156828666128 is an apocalyptic number.

It is an amenable number.

156828666128 is a deficient number, since it is larger than the sum of its proper divisors (149082894160).

156828666128 is a wasteful number, since it uses less digits than its factorization.

156828666128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37911 (or 37905 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 59.

The spelling of 156828666128 in words is "one hundred fifty-six billion, eight hundred twenty-eight million, six hundred sixty-six thousand, one hundred twenty-eight".