1679530218 has 16 divisors (see below), whose sum is σ = 3359516160. Its totient is φ = 559767456.

The previous prime is 1679530217. The next prime is 1679530253. The reversal of 1679530218 is 8120359761.

It is a self number, because there is not a number n which added to its sum of digits gives 1679530218.

It is not an unprimeable number, because it can be changed into a prime (1679530217) 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, 46071 + ... + 74037.

It is an arithmetic number, because the mean of its divisors is an integer number (209969760).

Almost surely, 2^1679530218 is an apocalyptic number.

1679530218 is an abundant number, since it is smaller than the sum of its proper divisors (1679985942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1679530218 is a wasteful number, since it uses less digits than its factorization.

1679530218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37981.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 1679530218 is about 40982.0719095558. The cubic root of 1679530218 is about 1188.6735727804.

Adding to 1679530218 its reverse (8120359761), we get a palindrome (9799889979).

The spelling of 1679530218 in words is "one billion, six hundred seventy-nine million, five hundred thirty thousand, two hundred eighteen".