618652008 has 192 divisors, whose sum is σ = 1945944000. Its totient is φ = 175924224.

The previous prime is 618652003. The next prime is 618652009. The reversal of 618652008 is 800256816.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (618652003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 764308 + ... + 765116.

It is an arithmetic number, because the mean of its divisors is an integer number (10135125).

Almost surely, 2^618652008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618652008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972972000).

618652008 is an abundant number, since it is smaller than the sum of its proper divisors (1327291992).

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

618652008 is a wasteful number, since it uses less digits than its factorization.

618652008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 618652008 is about 24872.7161363611. The cubic root of 618652008 is about 852.0834739348.

The spelling of 618652008 in words is "six hundred eighteen million, six hundred fifty-two thousand, eight".