618368860 has 12 divisors (see below), whose sum is σ = 1298574648. Its totient is φ = 247347536.

The previous prime is 618368833. The next prime is 618368887. The reversal of 618368860 is 68863816.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (618368833) and next prime (618368887).

It is a self number, because there is not a number n which added to its sum of digits gives 618368860.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15459202 + ... + 15459241.

It is an arithmetic number, because the mean of its divisors is an integer number (108214554).

Almost surely, 2^618368860 is an apocalyptic number.

It is an amenable number.

618368860 is an abundant number, since it is smaller than the sum of its proper divisors (680205788).

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

618368860 is a wasteful number, since it uses less digits than its factorization.

618368860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30918452 (or 30918450 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 618368860 is about 24867.0235452496. The cubic root of 618368860 is about 851.9534587051.

The spelling of 618368860 in words is "six hundred eighteen million, three hundred sixty-eight thousand, eight hundred sixty".