618745968 has 60 divisors (see below), whose sum is σ = 1778445448. Its totient is φ = 200672640.

The previous prime is 618745961. The next prime is 618746003. The reversal of 618745968 is 869547816.

618745968 is a `hidden beast` number, since 6 + 187 + 459 + 6 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618745961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52738 + ... + 63393.

Almost surely, 2^618745968 is an apocalyptic number.

It is an amenable number.

618745968 is an abundant number, since it is smaller than the sum of its proper divisors (1159699480).

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

618745968 is a wasteful number, since it uses less digits than its factorization.

618745968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116182 (or 116173 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 618745968 is about 24874.6048812840. The cubic root of 618745968 is about 852.1266094990.

The spelling of 618745968 in words is "six hundred eighteen million, seven hundred forty-five thousand, nine hundred sixty-eight".