618564004 has 24 divisors (see below), whose sum is σ = 1096841088. Its totient is φ = 305203680.

The previous prime is 618563993. The next prime is 618564017. The reversal of 618564004 is 400465816.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113322 + ... + 118654.

It is an arithmetic number, because the mean of its divisors is an integer number (45701712).

Almost surely, 2^618564004 is an apocalyptic number.

It is an amenable number.

618564004 is a deficient number, since it is larger than the sum of its proper divisors (478277084).

618564004 is a wasteful number, since it uses less digits than its factorization.

618564004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715 (or 5713 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 618564004 is about 24870.9469863936. The cubic root of 618564004 is about 852.0430687156.

The spelling of 618564004 in words is "six hundred eighteen million, five hundred sixty-four thousand, four".