159111680 has 160 divisors (see below), whose sum is σ = 470219904. Its totient is φ = 50282496.

The previous prime is 159111649. The next prime is 159111697. The reversal of 159111680 is 86111951.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232619 + ... + 233301.

Almost surely, 2^159111680 is an apocalyptic number.

159111680 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 159111680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235109952).

159111680 is an abundant number, since it is smaller than the sum of its proper divisors (311108224).

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

159111680 is an equidigital number, since it uses as much as digits as its factorization.

159111680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 32.

The square root of 159111680 is about 12613.9478356302. The cubic root of 159111680 is about 541.8769617639.

The spelling of 159111680 in words is "one hundred fifty-nine million, one hundred eleven thousand, six hundred eighty".