220616546 has 8 divisors (see below), whose sum is σ = 330990300. Its totient is φ = 110286448.

The previous prime is 220616537. The next prime is 220616549. The reversal of 220616546 is 645616022.

220616546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205492225 + 15124321 = 14335^2 + 3889^2 .

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

It is not an unprimeable number, because it can be changed into a prime (220616549) 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, 8960 + ... + 22836.

Almost surely, 2^220616546 is an apocalyptic number.

220616546 is a deficient number, since it is larger than the sum of its proper divisors (110373754).

220616546 is a wasteful number, since it uses less digits than its factorization.

220616546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21828.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 220616546 is about 14853.1661944516. The cubic root of 220616546 is about 604.2444827702.

The spelling of 220616546 in words is "two hundred twenty million, six hundred sixteen thousand, five hundred forty-six".