618143670830736 has 640 divisors, whose sum is σ = 2033520935616000. Its totient is φ = 178533129977856.

The previous prime is 618143670830731. The next prime is 618143670830737. The reversal of 618143670830736 is 637038076341816.

It is a happy number.

618143670830736 is a `hidden beast` number, since 61 + 8 + 1 + 436 + 70 + 8 + 3 + 0 + 73 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (618143670830731) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4176657090 + ... + 4176805086.

It is an arithmetic number, because the mean of its divisors is an integer number (3177376461900).

Almost surely, 2^{618143670830736} 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 618143670830736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1016760467808000).

618143670830736 is an abundant number, since it is smaller than the sum of its proper divisors (1415377264785264).

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

618143670830736 is a wasteful number, since it uses less digits than its factorization.

618143670830736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148896 (or 148884 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 618143670830736 in words is "six hundred eighteen trillion, one hundred forty-three billion, six hundred seventy million, eight hundred thirty thousand, seven hundred thirty-six".