618877862218 has 32 divisors (see below), whose sum is σ = 1157758272000. Its totient is φ = 241042850160.

The previous prime is 618877862203. The next prime is 618877862237. The reversal of 618877862218 is 812268778816.

It is a self number, because there is not a number n which added to its sum of digits gives 618877862218.

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 15 ways as a sum of consecutive naturals, for example, 176968 + ... + 1126531.

It is an arithmetic number, because the mean of its divisors is an integer number (36179946000).

Almost surely, 2^618877862218 is an apocalyptic number.

618877862218 is a deficient number, since it is larger than the sum of its proper divisors (538880409782).

618877862218 is a wasteful number, since it uses less digits than its factorization.

618877862218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306602.

The product of its digits is 28901376, while the sum is 64.

The spelling of 618877862218 in words is "six hundred eighteen billion, eight hundred seventy-seven million, eight hundred sixty-two thousand, two hundred eighteen".