220163687 has 8 divisors (see below), whose sum is σ = 223598880. Its totient is φ = 216737920.

The previous prime is 220163683. The next prime is 220163731. The reversal of 220163687 is 786361022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 220163687 - 2² = 220163683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220163683) 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, 55523 + ... + 59355.

It is an arithmetic number, because the mean of its divisors is an integer number (27949860).

Almost surely, 2^220163687 is an apocalyptic number.

220163687 is a deficient number, since it is larger than the sum of its proper divisors (3435193).

220163687 is an equidigital number, since it uses as much as digits as its factorization.

220163687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 220163687 is about 14837.9138358463. The cubic root of 220163687 is about 603.8307558721.

The spelling of 220163687 in words is "two hundred twenty million, one hundred sixty-three thousand, six hundred eighty-seven".