618032864 has 24 divisors (see below), whose sum is σ = 1256004288. Its totient is φ = 299047680.

The previous prime is 618032861. The next prime is 618032897. The reversal of 618032864 is 468230816.

It is a happy number.

618032864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618032861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310517 + ... + 312500.

It is an arithmetic number, because the mean of its divisors is an integer number (52333512).

Almost surely, 2^618032864 is an apocalyptic number.

It is an amenable number.

618032864 is an abundant number, since it is smaller than the sum of its proper divisors (637971424).

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

618032864 is a wasteful number, since it uses less digits than its factorization.

618032864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623058 (or 623050 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 618032864 is about 24860.2667725027. The cubic root of 618032864 is about 851.7991253535.

The spelling of 618032864 in words is "six hundred eighteen million, thirty-two thousand, eight hundred sixty-four".