160021271712 has 48 divisors (see below), whose sum is σ = 420076958112. Its totient is φ = 53337742080.

The previous prime is 160021271701. The next prime is 160021271741. The reversal of 160021271712 is 217172120061.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 160021271712.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3091162 + ... + 3142502.

It is an arithmetic number, because the mean of its divisors is an integer number (8751603294).

Almost surely, 2^160021271712 is an apocalyptic number.

160021271712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

160021271712 is an abundant number, since it is smaller than the sum of its proper divisors (260055686400).

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

160021271712 is a wasteful number, since it uses less digits than its factorization.

160021271712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83821 (or 83813 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 30.

Adding to 160021271712 its reverse (217172120061), we get a palindrome (377193391773).

The spelling of 160021271712 in words is "one hundred sixty billion, twenty-one million, two hundred seventy-one thousand, seven hundred twelve".