220161663043 has 8 divisors (see below), whose sum is σ = 251617082112. Its totient is φ = 188707182216.

The previous prime is 220161663017. The next prime is 220161663077. The reversal of 220161663043 is 340366161022.

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

It is not a de Polignac number, because 220161663043 - 2¹⁷ = 220161531971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220161603043) 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, 373296 + ... + 761362.

It is an arithmetic number, because the mean of its divisors is an integer number (31452135264).

Almost surely, 2^220161663043 is an apocalyptic number.

220161663043 is a deficient number, since it is larger than the sum of its proper divisors (31455419069).

220161663043 is an equidigital number, since it uses as much as digits as its factorization.

220161663043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469121.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 220161663043 in words is "two hundred twenty billion, one hundred sixty-one million, six hundred sixty-three thousand, forty-three".