159549696 has 144 divisors (see below), whose sum is σ = 484182720. Its totient is φ = 51793920.

The previous prime is 159549679. The next prime is 159549697. The reversal of 159549696 is 696945951.

159549696 is a `hidden beast` number, since 1 + 5 + 9 + 549 + 6 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×159549696² = 50912210987384832, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (159549697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283111 + ... + 283673.

It is an arithmetic number, because the mean of its divisors is an integer number (3362380).

Almost surely, 2^159549696 is an apocalyptic number.

159549696 is a gapful number since it is divisible by the number (16) 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 159549696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242091360).

159549696 is an abundant number, since it is smaller than the sum of its proper divisors (324633024).

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

159549696 is an equidigital number, since it uses as much as digits as its factorization.

159549696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 609 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 54.

The square root of 159549696 is about 12631.2982705659. The cubic root of 159549696 is about 542.3737476526.

The spelling of 159549696 in words is "one hundred fifty-nine million, five hundred forty-nine thousand, six hundred ninety-six".