159849127620 has 1344 divisors, whose sum is σ = 692247790080. Its totient is φ = 29991223296.

The previous prime is 159849127619. The next prime is 159849127649. The reversal of 159849127620 is 26721948951.

It is a happy number.

159849127620 is a `hidden beast` number, since 1 + 5 + 9 + 8 + 4 + 9 + 1 + 2 + 7 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 447 ways as a sum of consecutive naturals, for example, 428549754 + ... + 428550126.

It is an arithmetic number, because the mean of its divisors is an integer number (515065320).

Almost surely, 2^159849127620 is an apocalyptic number.

159849127620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159849127620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346123895040).

159849127620 is an abundant number, since it is smaller than the sum of its proper divisors (532398662460).

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

159849127620 is a wasteful number, since it uses less digits than its factorization.

159849127620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 159849127620 in words is "one hundred fifty-nine billion, eight hundred forty-nine million, one hundred twenty-seven thousand, six hundred twenty".