618507068 has 24 divisors (see below), whose sum is σ = 1092755664. Its totient is φ = 306300800.

The previous prime is 618507061. The next prime is 618507077. The reversal of 618507068 is 860705816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618507061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 416888 + ... + 418368.

It is an arithmetic number, because the mean of its divisors is an integer number (45531486).

Almost surely, 2^618507068 is an apocalyptic number.

It is an amenable number.

618507068 is a deficient number, since it is larger than the sum of its proper divisors (474248596).

618507068 is a wasteful number, since it uses less digits than its factorization.

618507068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 618507068 is about 24869.8023313415. The cubic root of 618507068 is about 852.0169256852.

The spelling of 618507068 in words is "six hundred eighteen million, five hundred seven thousand, sixty-eight".