618413935146 has 96 divisors (see below), whose sum is σ = 1473754772160. Its totient is φ = 172400546304.

The previous prime is 618413935141. The next prime is 618413935187. The reversal of 618413935146 is 641539314816.

It is a super-2 number, since 2×618413935146² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (618413935141) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 12326200 + ... + 12376268.

It is an arithmetic number, because the mean of its divisors is an integer number (15351612210).

Almost surely, 2^618413935146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618413935146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736877386080).

618413935146 is an abundant number, since it is smaller than the sum of its proper divisors (855340837014).

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

618413935146 is a wasteful number, since it uses less digits than its factorization.

618413935146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51108 (or 51101 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The spelling of 618413935146 in words is "six hundred eighteen billion, four hundred thirteen million, nine hundred thirty-five thousand, one hundred forty-six".