9916770218 has 8 divisors (see below), whose sum is σ = 14907009312. Its totient is φ = 4947767116.

The previous prime is 9916770179. The next prime is 9916770251. The reversal of 9916770218 is 8120776199.

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

It is a super-2 number, since 2×9916770218² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5307830 + ... + 5309697.

It is an arithmetic number, because the mean of its divisors is an integer number (1863376164).

Almost surely, 2^9916770218 is an apocalyptic number.

9916770218 is a deficient number, since it is larger than the sum of its proper divisors (4990239094).

9916770218 is a wasteful number, since it uses less digits than its factorization.

9916770218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10617996.

The product of its (nonzero) digits is 381024, while the sum is 50.

The square root of 9916770218 is about 99582.9815681374. The cubic root of 9916770218 is about 2148.4409261729.

The spelling of 9916770218 in words is "nine billion, nine hundred sixteen million, seven hundred seventy thousand, two hundred eighteen".