160515220 has 12 divisors (see below), whose sum is σ = 337082004. Its totient is φ = 64206080.

The previous prime is 160515209. The next prime is 160515227. The reversal of 160515220 is 22515061.

It can be written as a sum of positive squares in 2 ways, for example, as 106874244 + 53640976 = 10338^2 + 7324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 160515191 and 160515200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160515227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4012861 + ... + 4012900.

It is an arithmetic number, because the mean of its divisors is an integer number (28090167).

Almost surely, 2^160515220 is an apocalyptic number.

160515220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160515220 is an abundant number, since it is smaller than the sum of its proper divisors (176566784).

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

160515220 is a wasteful number, since it uses less digits than its factorization.

160515220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025770 (or 8025768 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 160515220 is about 12669.4601305659. The cubic root of 160515220 is about 543.4656165629.

The spelling of 160515220 in words is "one hundred sixty million, five hundred fifteen thousand, two hundred twenty".