4216563161 has 4 divisors (see below), whose sum is σ = 4219515300. Its totient is φ = 4213611024.

The previous prime is 4216563157. The next prime is 4216563167. The reversal of 4216563161 is 1613656124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 965282761 + 3251280400 = 31069^2 + 57020^2 .

It is a cyclic number.

It is not a de Polignac number, because 4216563161 - 2² = 4216563157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4216563167) 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, 1473926 + ... + 1476783.

It is an arithmetic number, because the mean of its divisors is an integer number (1054878825).

Almost surely, 2^4216563161 is an apocalyptic number.

It is an amenable number.

4216563161 is a deficient number, since it is larger than the sum of its proper divisors (2952139).

4216563161 is a wasteful number, since it uses less digits than its factorization.

4216563161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952138.

The product of its digits is 25920, while the sum is 35.

The square root of 4216563161 is about 64935.0688072324. The cubic root of 4216563161 is about 1615.5467750879.

The spelling of 4216563161 in words is "four billion, two hundred sixteen million, five hundred sixty-three thousand, one hundred sixty-one".