618880272321084 has 96 divisors (see below), whose sum is σ = 1537155699206400. Its totient is φ = 193237502768640.

The previous prime is 618880272321071. The next prime is 618880272321107. The reversal of 618880272321084 is 480123272088816.

It is a super-2 number, since 2×618880272321084² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2210612554 + ... + 2210892494.

It is an arithmetic number, because the mean of its divisors is an integer number (16012038533400).

Almost surely, 2^{618880272321084} is an apocalyptic number.

It is an amenable number.

618880272321084 is an abundant number, since it is smaller than the sum of its proper divisors (918275426885316).

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

618880272321084 is a wasteful number, since it uses less digits than its factorization.

618880272321084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389003 (or 389001 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 60.

The spelling of 618880272321084 in words is "six hundred eighteen trillion, eight hundred eighty billion, two hundred seventy-two million, three hundred twenty-one thousand, eighty-four".