159478906620 has 48 divisors (see below), whose sum is σ = 487135571328. Its totient is φ = 38661552960.

The previous prime is 159478906571. The next prime is 159478906621. The reversal of 159478906620 is 26609874951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159478906621) by changing a digit.

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, 120816694 + ... + 120818013.

It is an arithmetic number, because the mean of its divisors is an integer number (10148657736).

Almost surely, 2^159478906620 is an apocalyptic number.

159478906620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159478906620 is an abundant number, since it is smaller than the sum of its proper divisors (327656664708).

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

159478906620 is a wasteful number, since it uses less digits than its factorization.

159478906620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241634730 (or 241634728 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 159478906620 in words is "one hundred fifty-nine billion, four hundred seventy-eight million, nine hundred six thousand, six hundred twenty".