618422203168 has 384 divisors, whose sum is σ = 1607522402304. Its totient is φ = 227191910400.

The previous prime is 618422203151. The next prime is 618422203177. The reversal of 618422203168 is 861302224816.

It is a happy number.

It is a super-3 number, since 3×618422203168³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 700364455 + ... + 700365337.

It is an arithmetic number, because the mean of its divisors is an integer number (4186256256).

Almost surely, 2^618422203168 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 618422203168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803761201152).

618422203168 is an abundant number, since it is smaller than the sum of its proper divisors (989100199136).

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

618422203168 is a wasteful number, since it uses less digits than its factorization.

618422203168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1160 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 618422203168 in words is "six hundred eighteen billion, four hundred twenty-two million, two hundred three thousand, one hundred sixty-eight".