160615221 has 8 divisors (see below), whose sum is σ = 230627040. Its totient is φ = 98840112.

The previous prime is 160615199. The next prime is 160615229. The reversal of 160615221 is 122516061.

160615221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 160615221 - 2⁶ = 160615157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 160615191 and 160615200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160615229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059131 + ... + 2059208.

It is an arithmetic number, because the mean of its divisors is an integer number (28828380).

Almost surely, 2^160615221 is an apocalyptic number.

It is an amenable number.

160615221 is a deficient number, since it is larger than the sum of its proper divisors (70011819).

160615221 is a wasteful number, since it uses less digits than its factorization.

160615221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118355.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 160615221 is about 12673.4060536227. The cubic root of 160615221 is about 543.5784528471.

The spelling of 160615221 in words is "one hundred sixty million, six hundred fifteen thousand, two hundred twenty-one".