160221535000 has 40 divisors (see below), whose sum is σ = 375399068220. Its totient is φ = 64088612000.

The previous prime is 160221534989. The next prime is 160221535027. The reversal of 160221535000 is 535122061.

160221535000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16017154 + ... + 16027153.

Almost surely, 2^160221535000 is an apocalyptic number.

160221535000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160221535000 is an abundant number, since it is smaller than the sum of its proper divisors (215177533220).

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

160221535000 is an equidigital number, since it uses as much as digits as its factorization.

160221535000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32044333 (or 32044314 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 160221535000 its reverse (535122061), we get a palindrome (160756657061).

The spelling of 160221535000 in words is "one hundred sixty billion, two hundred twenty-one million, five hundred thirty-five thousand".