160421611 has 4 divisors (see below), whose sum is σ = 183338992. Its totient is φ = 137504232.

The previous prime is 160421593. The next prime is 160421753. The reversal of 160421611 is 116124061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 116124061 = 211 ⋅550351.

It is a cyclic number.

It is not a de Polignac number, because 160421611 - 2¹³ = 160413419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160421111) 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, 11458680 + ... + 11458693.

It is an arithmetic number, because the mean of its divisors is an integer number (45834748).

Almost surely, 2^160421611 is an apocalyptic number.

160421611 is a deficient number, since it is larger than the sum of its proper divisors (22917381).

160421611 is an equidigital number, since it uses as much as digits as its factorization.

160421611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22917380.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 160421611 is about 12665.7653144214. The cubic root of 160421611 is about 543.3599502269.

Adding to 160421611 its reverse (116124061), we get a palindrome (276545672).

The spelling of 160421611 in words is "one hundred sixty million, four hundred twenty-one thousand, six hundred eleven".