618541337705016 has 128 divisors (see below), whose sum is σ = 1702122233667840. Its totient is φ = 185749357516800.

The previous prime is 618541337704991. The next prime is 618541337705077. The reversal of 618541337705016 is 610507733145816.

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, 192042366 + ... + 195236658.

It is an arithmetic number, because the mean of its divisors is an integer number (13297829950530).

Almost surely, 2^{618541337705016} is an apocalyptic number.

618541337705016 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618541337705016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851061116833920).

618541337705016 is an abundant number, since it is smaller than the sum of its proper divisors (1083580895962824).

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

618541337705016 is a wasteful number, since it uses less digits than its factorization.

618541337705016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200917 (or 3200913 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 57.

The spelling of 618541337705016 in words is "six hundred eighteen trillion, five hundred forty-one billion, three hundred thirty-seven million, seven hundred five thousand, sixteen".