159349728220 has 48 divisors (see below), whose sum is σ = 337979049408. Its totient is φ = 63103173120.

The previous prime is 159349728211. The next prime is 159349728269. The reversal of 159349728220 is 22827943951.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9098512 + ... + 9116008.

It is an arithmetic number, because the mean of its divisors is an integer number (7041230196).

Almost surely, 2^159349728220 is an apocalyptic number.

159349728220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159349728220 is an abundant number, since it is smaller than the sum of its proper divisors (178629321188).

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

159349728220 is a wasteful number, since it uses less digits than its factorization.

159349728220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22030 (or 22028 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 159349728220 in words is "one hundred fifty-nine billion, three hundred forty-nine million, seven hundred twenty-eight thousand, two hundred twenty".