618815468 has 12 divisors (see below), whose sum is σ = 1083101712. Its totient is φ = 309357840.

The previous prime is 618815467. The next prime is 618815471. The reversal of 618815468 is 864518816.

It is not an unprimeable number, because it can be changed into a prime (618815467) 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 3 ways as a sum of consecutive naturals, for example, 39398 + ... + 52818.

It is an arithmetic number, because the mean of its divisors is an integer number (90258476).

Almost surely, 2^618815468 is an apocalyptic number.

It is an amenable number.

618815468 is a deficient number, since it is larger than the sum of its proper divisors (464286244).

618815468 is a wasteful number, since it uses less digits than its factorization.

618815468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24952 (or 24950 counting only the distinct ones).

The product of its digits is 368640, while the sum is 47.

The square root of 618815468 is about 24876.0018491718. The cubic root of 618815468 is about 852.1585130508.

The spelling of 618815468 in words is "six hundred eighteen million, eight hundred fifteen thousand, four hundred sixty-eight".