618118904 has 32 divisors (see below), whose sum is σ = 1249153920. Its totient is φ = 285050496.

The previous prime is 618118903. The next prime is 618118909. The reversal of 618118904 is 409811816.

It is a super-2 number, since 2×618118904² = 764141958964322432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618118903) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 228182 + ... + 230874.

It is an arithmetic number, because the mean of its divisors is an integer number (39036060).

Almost surely, 2^618118904 is an apocalyptic number.

It is an amenable number.

618118904 is an abundant number, since it is smaller than the sum of its proper divisors (631035016).

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

618118904 is a wasteful number, since it uses less digits than its factorization.

618118904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919 (or 4915 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 618118904 is about 24861.9971844580. The cubic root of 618118904 is about 851.8386515127.

The spelling of 618118904 in words is "six hundred eighteen million, one hundred eighteen thousand, nine hundred four".