218130097936 has 45 divisors (see below), whose sum is σ = 430128991591. Its totient is φ = 107162311712.

The previous prime is 218130097919. The next prime is 218130097943. The reversal of 218130097936 is 639790031812.

The square root of 218130097936 is 467044.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 218130097936.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 110221395 + ... + 110223373.

Almost surely, 2^218130097936 is an apocalyptic number.

218130097936 is the 467044-th square number.

It is an amenable number.

218130097936 is a deficient number, since it is larger than the sum of its proper divisors (211998893655).

218130097936 is an frugal number, since it uses more digits than its factorization.

218130097936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 49.

Multiplying 218130097936 by its sum of digits (49), we get a square (10688374798864 = 3269308²).

The spelling of 218130097936 in words is "two hundred eighteen billion, one hundred thirty million, ninety-seven thousand, nine hundred thirty-six".