159677128 has 64 divisors (see below), whose sum is σ = 334756800. Its totient is φ = 70936320.

The previous prime is 159677123. The next prime is 159677137. The reversal of 159677128 is 821776951.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (159677123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324963 + ... + 325453.

It is an arithmetic number, because the mean of its divisors is an integer number (5230575).

Almost surely, 2^159677128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159677128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167378400).

159677128 is an abundant number, since it is smaller than the sum of its proper divisors (175079672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159677128 is a wasteful number, since it uses less digits than its factorization.

159677128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 618 counting only the distinct ones).

The product of its digits is 211680, while the sum is 46.

The square root of 159677128 is about 12636.3415591697. The cubic root of 159677128 is about 542.5181068093.

The spelling of 159677128 in words is "one hundred fifty-nine million, six hundred seventy-seven thousand, one hundred twenty-eight".