618200856 has 192 divisors, whose sum is σ = 2151727200. Its totient is φ = 163005696.

The previous prime is 618200827. The next prime is 618200867. The reversal of 618200856 is 658002816.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 618200856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135346 + ... + 139838.

Almost surely, 2^618200856 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 618200856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1075863600).

618200856 is an abundant number, since it is smaller than the sum of its proper divisors (1533526344).

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

618200856 is a wasteful number, since it uses less digits than its factorization.

618200856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4518 counting only the distinct ones).

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

The square root of 618200856 is about 24863.6452677398. The cubic root of 618200856 is about 851.8762962634.

The spelling of 618200856 in words is "six hundred eighteen million, two hundred thousand, eight hundred fifty-six".