618552140236 has 24 divisors (see below), whose sum is σ = 1094370158336. Its totient is φ = 305879293440.

The previous prime is 618552140209. The next prime is 618552140237. The reversal of 618552140236 is 632041255816.

It is a junction number, because it is equal to n+sod(n) for n = 618552140192 and 618552140201.

It is not an unprimeable number, because it can be changed into a prime (618552140237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28870 + ... + 1112626.

Almost surely, 2^618552140236 is an apocalyptic number.

It is an amenable number.

618552140236 is a deficient number, since it is larger than the sum of its proper divisors (475818018100).

618552140236 is a wasteful number, since it uses less digits than its factorization.

618552140236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085329 (or 1085327 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 618552140236 in words is "six hundred eighteen billion, five hundred fifty-two million, one hundred forty thousand, two hundred thirty-six".